2A 1.1 A What are the five principles that express the fundamental purpose for which the Amateur Radio Service rules are designed? A. Recognition of emergency communications, advancement of the radio art, improvement of communication and technical skills, increase in the number of trained radio operators and electronics experts, and the enhancement of international goodwill B. Recognition of business communications, advancement of the radio art, improvement of communication and business skills, increase in the number of trained radio operators and electronics experts, and the enhancement of international good will C. Recognition of emergency communications, preservation of the earliest radio techniques, improvement of communication and technical skills, maintain a pool of people familiar with early tube-type equipment, and the enhancement of international good will D. Recognition of emergency communications, advancement of the radio art, improvement of communication and technical skills, increase in the number of trained radio operators and electronics experts, and enhancement of a sense of patriotism and nationalism 2A 1.2 D Which of the following is not one of the basic principles for which the amateur service rules are defined? A. Providing emergency communications B. Improvement of communication and technical skills C. Increase the number of trained radio operators and electronics experts D. Enhancement of a sense of patriotism and nationalism 2A 1.3 D The amateur service rules were designed to provide a radio communications service that meets five fundamental purposes. Which of the following is not one of those principles? A. Improvement of communication and technical skills B. Enhancement of international goodwill C. Increase the number of trained radio operators and electronics experts D. Preserving the history of radio communications 2A 1.4 B The amateur service rules were defined to provide a radio communications service that meets five fundamental purposes. What are those principles? A. Recognition of business communications, advancement of the radio art, improvement of communication and business skills, increase in the number of trained radio operators and electronics experts, and the enhancement of international goodwill B. Recognition of emergency communications, advancement of the radio art, improvement of communication and technical skills, increase in the number of trained radio operators and electronics experts, and the enhancement of international goodwill C. Recognition of emergency communications, preservation of the earliest radio techniques, maintain a pool of people familiar with early tube-type equipment, and the enhancement of international goodwill D. Recognition of emergency communications, advancement of the radio art, improvement of communication and technical skills, increase in the number of trained radio operators and electronics experts, and the enhancement of a sense of patriotism 2A 2.1 C What is the definition of the amateur service? A. A private radio service used for personal gain and public benefit B. A public radio service used for public service communication C. A radiocommunication service for the purpose of self-training intercommunication and technical investigations D. A private radio service intended for the furtherance of commercial radio interests 2A 2.2 A What name is given to the radiocommunication service that is designed for self-training, intercommunication, and technical investigation? A. The amateur service B. The Citizen's Radio Service C. The Experimenter's Radio Service D. The Maritime Radio Service 2A 3.1 A What document contains the specific rules and regulations governing the amateur service in the United States? A. Part 97 of title 47 CFR (Code of Federal Regulations) B. The Communications Act of 1934 (as amended) C. The Radio Amateur's Handbook D. The minutes of the International Telecomunication Union meetings 2A 3.2 D Which one of the following topics is not addressed in the rules and regulations of the amateur service? A. Station operation standards B. Technical standards C. Providing emergency communications D. Station construction standards 2A 4.1 B What is the definition of an amateur operator? A. A person who has not received any training in radio operations B. A person holding a written authorization to be the control operator of an amateur station C. A person who performs private radio communications for hire D. A trainee in a commercial radio station 2A 4.2 D What term describes a person holding a written authorization to be the control operator of an amateur station? A. A citizen radio operator B. A personal radio operator C. A radio service operator D. An amateur operator 2A 5.1 C What is the portion of an amateur radio license that conveys operator privileges? A. The verification section B. Form 610 C. The operator license D. The station license 2A 5.2 B What authority is derived from an operator/primary station license? A. The authority to operate any shortwave radio station B. The authority to be the control operator of an amateur station C. The authority to have an Amateur Radio station at a particular location D. The authority to transmit on either amateur or Class D citizen's band frequencies. 2A 6.1 B What authority is derived from a written authorization for an amateur station? A. The authority to use specific operating frequencies B. The authority to operate an amateur station C. The authority to enforce FCC Rules when violations are noted on the part of other operators D. The authority to transmit on either amateur or Class D citizens band frequencies 2A 6.2 C What part of your amateur license gives you authority to operate an amateur station? A. The operator license B. The FCC Form 610 C. The station license D. An amateur radio license does not specify a station location 2A 7.1 D What is an amateur station? A. A licensed radio station engaged in broadcasting to the public in a limited and well defined area B. A radio station used to further commercial radio interests C. A private radio service used for personal gain and public service D. A station in an amateur service consisting of the apparatus necessary for carrying on radiocommunications 2A 8.1 A Who is a control operator? A. An amateur operator designated by the licensee of a station to be responsible for the transmissions from that station to assure compliance with the FCC rules B. A person, either licensed or not, who controls the emissions of an amateur radio station C. An unlicensed person who is speaking over an amateur radio station's microphone while a licensed control operator is present D. A government official who comes to an amateur radio station to take control for test purposes 2A 8.2 D If you designate another amateur operator to be responsible for the transmissions from your station, what is the other operator called? A. Auxiliary operator B. Operations coordinator C. Third party D. Control operator 2A 9.1 D List the five United States Amateur Radio license classes in order of increasing privileges. A. Novice, General, Technician, Advanced, Amateur Extra B. Novice, Technician, General, Advanced, Digital C. Novice, Technician, General, Amateur Extra D. Novice, Technician, General, Advanced, Amateur Extra 2A 9.2 A Which US Amateur Radio operator license is considered to be the "entry level" or "beginner's" license? A. The Novice class license B. The CB license C. The Technician class license D. The Amateur class license 2A 9.3 B What is the license class immediately above Novice class? A. The Digital class license B. The Technician class license C. The General class license D. The Experimenter's class license 2A 10.1 B What frequencies are available in the amateur 80 meter band for a a control operator holding a Novice class operator license? A. 3500 to 4000 kHz B. 3700 to 3750 kHz C. 7100 to 7150 kHz D. 7000 to 7300 kHz 2A 10.2 C What frequencies are available in the amateur 40 meter band for a a control operator holding a Novice class operator license in ITU region 2? A. 3500 to 4000 kHz B. 3700 to 3750 kHz C. 7100 to 7150 kHz D. 7000 to 7300 kHz 2A 10.3 A What frequencies are available in the amateur 15 meter band for a a control operator holding a Novice class operator license? A. 21.100 to 21.200 MHz B. 21.000 to 21.450 MHz C. 28.000 to 29.700 MHz D. 28.100 to 28.200 MHz 2A 10.4 C What frequencies are available in the amateur 10 meter band for a a control operator holding a Novice class operator license? A. 28.000 to 29.700 MHz B. 28.100 to 28.300 MHz C. 28.100 to 28.500 MHz D. 28.300 to 28.500 MHz 2A 10.5 B What frequencies are available in the amateur 220 Mhz band for a a control operator holding a Novice class operator license? A. 225.0 to 230.5 MHz B. 222.1 to 223.91 MHz C. 224.1 to 225.1 MHz D. 222.2 to 224.0 MHz 2A 10.6 C What frequencies are available in the amateur 1270-Mhz band for a a control operator holding a Novice class operator license? A. 1260 to 1270 MHz B. 1240 to 1300 MHz C. 1270 to 1295 MHz D. 1240 to 1246 MHz 2A 10.7 A If you are operating your amateur radio station on 3725 kHz, in what meter band are you operating? A. 80 Meters B. 40 Meters C. 15 Meters D. 10 Meters 2A 10.8 B If you are operating your amateur radio station on 7125 kHz, in what meter band are you operating? A. 80 Meters B. 40 Meters C. 15 Meters D. 10 Meters 2A 10.9 C If you are operating your amateur radio station on 21,150 kHz, in what meter band are you operating? A. 80 Meters B. 40 Meters C. 15 Meters D. 10 Meters 2A 10.10 D If you are operating your amateur radio station on 28,150 kHz, in what meter band are you operating? A. 80 Meters B. 40 Meters C. 15 Meters D. 10 Meters 2A 11.1 A Who is eligible to obtain a US amateur operator/primary station license? A. Anyone except a representative of a foreign government B. Only a citizen of the United States C. Anyone D. Anyone except an employee of the United States Government 2A 11.2 B Who is not eligible to obtain a US amateur operator/primary station license? A. Any citizen of a country other than the United States B. A representative of a foreign government C. No one D. An employee of the United States Government 2A 12.1 C What FCC examination elements are required for a Novice class license? A. Elements 1(A) and 2(A) B. Elements 1(A) and 3(A) C. Elements 1(A) and 2 D. Elements 2 and 4 2A 12.2 A What is an FCC Element 1(A) examination intended to prove? A. The applicant's ability to send and receive texts in the international Morse code at not less than 5 words per minute B. The applicant's ability to send and receive texts in the international Morse code at not less than 13 words per minute C. The applicant's knowledge of Novice class theory and regulations D. the applicant's ability to recognize Novice frequency assignments and operating modes 2A 12.3 D What is an FCC Element 2 examination? A. A test of the applicant's ability to send and receive Morse code at 5 words per minute B. The written examination concerning the privileges of a Technician class operator license C. A test of the applicant's ability to recognize Novice frequency assignments D. The written examination concerning the privileges of a Novice class operator license 2A 13.1 A Who is eligible to obtain an FCC-issued written authorization for an amateur station? A. A licensed amateur operator B. Any unlicensed person, except an agent of a foreign government C. Any unlicensed person, except an employee of the United States government D. Any unlicensed United States Citizen 2A 14.1 B Why is an amateur operator required to furnish the FCC with a current mailing address served by the US Postal service? A. So the FCC has a record of the location of each Amateur Radio station B. In order to comply with the Commission's rules and so the FCC can correspond with the licensee C. So the FCC can send license-renewal notices D. So the FCC can compile a list for use in a call sign directory 2A 15.1 C Which one of the following call signs is a valid US amateur call? A. UA4HAK B. KBL7766 C. KA9OLS D. BY7HY 2A 15.2 D Which one of the following call signs is a valid US amateur call? A. CE2FTF B. G3GVA C. UA1ZAM D. AA2Z 2A 15.3 A Which one of the following call signs is not a valid US amateur call? A. KDV5653 B. WA1DVU C. KA5BUG D. NT0Z 2A 15.4 B What letters may be used for the first letter in a valid US amateur call sign? A. K, N, U and W B. A, K, N and W C. A, B, C and D D. A, N, V and W 2A 15.5 D Excluding special-event call signs that may be issued by the FCC, what numbers may be used in a valid US call sign? A. Any double-digit number, 10 through 99 B. Any double-digit number, 22 through 45 C. Any single digit, 1 through 9 D. A single digit, 0 through 9 2A 16.1 A Your Novice license was issued on November 1, 1988. When will it expire? A. On the date specified on the license B. November 30, 1998 C. November 1, 1993 D. November 1, 1990 2A 17.1 A What does the term emission mean? A. RF signals transmitted from a radio station B. Signals refracted by the E layer C. Filter out the carrier of a received signal D. Baud rate 2A 17.2 A What emission types are Novice control operators permitted to use on the amateur 80-meter band? A. CW only B. Data only C. RTTY only D. Phone only 2A 17.3 A What emission types are Novice control operators permitted to use on the amateur 40-meter band? A. CW only B. Data only C. RTTY only D. Phone only 2A 17.4 A What emission types are Novice control operators permitted to use on the amateur 15-meter band? A. CW only B. Data only C. RTTY only D. Phone only 2A 17.5 D What emission types are Novice control operators permitted to use from 3700 to 3750 kHz? A. Phone only B. CW and phone C. All amateur emission privileges authorized for use on those frequencies D. CW only 2A 17.6 D What emission types are Novice control operators permitted to use from 7100 to 7150 kHz? A. CW and data B. Phone C. All amateur emission privileges authorized for use on those frequencies D. CW only 2A 17.7 D What emission types are Novice control operators permitted to use on frequencies from 21.1 to 21.2 MHz? A. CW and data only B. CW and phone only C. All amateur emission privileges authorized for use on those frequencies D. CW only 2A 17.8 C What emission types are Novice control operators permitted to use on frequencies from 28.1 to 28.3 MHz? A. All authorized amateur emission privileges B. Data or phone only C. CW, RTTY and data D. CW and phone only 2A 17.9 C What emission types are Novice control operators permitted to use on frequencies from 28.3 to 28.5 MHz? A. All authorized emission privileges B. CW and data only C. CW and single-sideband phone only D. Data and phone only 2A 17.10 D What emission types are Novice control operators permitted to use on the amateur 220-MHz band in ITU Region 2? A. CW and phone only B. CW and data only C. Data and phone only D. All amateur emission privileges authorized for use on 220 MHz 2A 17.11 D What emission types are Novice control operators permitted to use on frequencies from 1270 to 1295 MHz? A. Data and phone only B. CW and data only C. CW and phone only D. All amateur emission privileges authorized for use on 1270 MHz 2A 17.12 D On what frequencies in the 10 meter band may a Novice control operator use single-sideband phone? A. 3700 to 3750 kHz B. 7100 to 7150 kHz C. 21,100 to 21,200 kHz D. 28,300 to 28,500 kHz 2A 17.13 C On what frequencies in the 1.25 meter band in ITU Region 2 may a Novice control operator use FM voice emission? A. 28.3 to 28.5 MHz B. 144.0 to 148.0 MHz C. 222.1 to 223.91 MHz D. 1240 to 1270 MHz 2A 18.1 D What amount of output transmitting power may a Novice class control operator use when operating below 30 MHz? A. 200 watts input B. 250 watts input C. 1500 watts PEP output D. The minimum legal power necessary to maintain reliable communications 2A 18.2 C What is the maximum transmitting power ever permitted to be used by an amateur station transmitting in the 80, 40 and 15-meter Novice bands? A. 75 watts PEP output B. 100 watts PEP output C. 200 watts PEP output D. 1500 watts PEP output 2A 18.3 C What is the maximum transmitting power permitted an amateur station transmitting on 3725 kHz? A. 75 watts PEP output B. 100 watts PEP output C. 200 watts PEP output D. 1500 watts PEP output 2A 18.4 C What is the maximum transmitting power permitted an amateur station transmitting on 7125 kHz? A. 75 watts PEP output B. 100 watts PEP output C. 200 watts PEP output D. 1500 watts PEP output 2A 18.5 C What is the maximum transmitting power permitted an amateur station transmitting on 21.125 MHz? A. 75 watts PEP output B. 100 watts PEP output C. 200 watts PEP output D. 1500 watts PEP output 2A 19.1 C What is the maximum transmitting power permitted an amateur station with a Novice control operator transmitting on 28.125 MHz? A. 75 watts PEP output B. 100 watts PEP output C. 200 watts PEP output D. 1500 watts PEP output 2A 19.2 B What is the maximum transmitting power permitted an amateur station with a Novice control operator transmitting in the amateur 10-meter band? A. 25 watts PEP output B. 200 watts PEP output C. 1000 watts PEP output D. 1500 watts PEP output 2A 19.3 C What is the maximum transmitting power permitted an amateur station with a Novice control operator transmitting in the amateur 220-MHz band? A. 5 watts PEP output B. 10 watts PEP output C. 25 watts PEP output D. 200 watts PEP output 2A 19.4 D What is the maximum transmitting power permitted an amateur station with a Novice control operator transmitting in the amateur 1270-MHz band? A. 5 milliwatts PEP output B. 500 milliwatts PEP output C. 1 watt PEP output D. 5 watts PEP output 2A 19.5 B What amount of transmitting power may an amateur station with a Novice control operator use in the amateur 220-MHz band? A. Not less than 5 watts PEP output B. The minimum legal power necessary to maintain reliable communications C. Not more than 50 watts PEP output D. Not more than 200 watts PEP output 2A 20.1 C What term is used to describe narrow-band direct-printing telegraphy emissions? A. Teleport communications B. Direct communications C. RTTY communications D. Third-party communications 2A 20.2 C What term is used to describe telemetry, telecommand and computer communications emissions? A. Teleport communications B. Direct communications C. Data communications D. Third-party communications 2A 20.3 D On what frequencies in the 10-meter band are Novice control operators permitted to transmit RTTY? A. 28.1 to 28.5 MHz B. 28.0 to 29.7 MHz C. 28.1 to 28.2 MHz D. 28.1 to 28.3 MHz 2A 21.1 C Who is held responsible for the proper operation of an amateur station? A. Only the control operator B. Only the licensee C. Both the control operator and the licensee D. The person who owns the property where station is located 2A 21.2 A You allow another amateur operator to use your amateur station. What are your responsibilities, as the station licensee? A. You and the other amateur operator are equally responsible for the proper operation of your station. B. Only the control operator is responsible for the proper operation of the station C. As the station licensee, you must be at the control point of your station whenever it is operated D. You must notify the FCC when another amateur will be the control operator of your station. 2A 21.3 D What is your primary responsibility as the station licensee? A. You must permit any licensed amateur radio operator to operate your station at any time upon request B. You must be present whenever the station is operated C. You must notify the FCC in writing whenever another amateur radio operator will act as the control operator D. You are responsible for the proper operation of the station for which you are licensed 2A 21.4 B If you are the licensee of an amateur station when are you not responsible for its proper operation? A. Only when another licensed amateur is the control operator B. The licensee is responsible for the proper operation of the station for which he or she is licensed C. Only after notifying the FCC in writing that another licensed amateur will assume responsibility for the proper operation of your station D. Only when your station is in repeater operation 2A 22.1 C When must an amateur station have a control operator? A. A control operator is only required for training purposes B. Whenever the station receiver is operated C. Whenever the station is transmitting D. A control operator is not required 2A 22.2 A Another amateur gives you permission to use her amateur station. What you are responsibilities, as the control operator? A. Both you and she are equally responsible for the proper operation of the station B. Only the station licensee is responsible for the proper operation of the station, not you the control operator C. You must be certain the station licensee has given proper FCC notice that you will be the control operator D. You must inspect all antennas and related equipment to ensure they are working properly 2A 23.1 B Who may be the control operator of an amateur station? A. Any person over 21 years of age B. Any properly licensed amateur operator that is designated by the station licensee C. Any licensed Amateur Radio operator with an Advanced Class license or higher D. Any person over 21 years of age with a General Class license or higher 2A 24.1 B Where must an amateur operator be when he or she is performing the duties of control operator? A. Anywhere in the same building as the transmitter B. At the control point of the amateur station C. At the station entrance, to control entry to the room D. Within sight of the station monitor, to view the output spectrum of the transmitter 2A 25.1 C Where must you keep your Amateur Radio operator license when you are operating a station? A. Your original operator license must always be posted in plain view B. Your original operator license must always be taped to the inside front cover of your station log C. You must have the original or a photocopy of your operator license in your possession D. You must have the original or a photocopy of your operator license posted at your primary station location. You need not have the original license nor a copy in your possession to operate another station 2A 26.1 D Where must you keep your written authorization for an amateur station? A. Your original station license must always be taped to the inside front cover of your station log B. Your original station license must always be posted in plain view C. You must post the original or a photocopy of your station license at the main entrance to the transmitter building D. The original or a photocopy of the written authorization for an amateur station must be retained at the station 2A 27.1 C How often must an amateur station be identified? A. At the beginning of the contact and at least every ten minutes during a contact B. At least once during each transmission C. At least every ten minutes during a contact and at the end of a contact D. Every 15 minutes during a contact and at the end of the contact 2A 27.2 B As an amateur operator, how should you correctly identify your station? A. With the name and location of the control operator B. With the station call sign C. With the call of the control operator, even when he or she is visiting another radio amateur's station D. With the name and location of the station licensee, followed by the two-letter designation of the nearest FCC Field Office 2A 27.3 B What station identification, if any, is required at the beginning of communication? A. The operator originating the call must transmit both call signs B. No identification is required at the beginning of the contact C. Both operators must transmit their own call signs D. Both operators must transmit both call signs 2A 27.4 A What station identification, if any, is required at the end of a communication? A. Both stations must transmit their own call sign, assuming they are FCC-licensed B. No identification is required at the end of the contact C. The station originating the contact must always transmit both call signs D. Both stations must transmit their own call sign followed by the two-letter designator for the nearest FCC Field Office 2A 27.5 B What do the FCC Rules for amateur station identification generally require? A. Each Amateur Radio Station shall give its call sign at the beginning of each communication, and every ten minutes or less during a communication B. Each Amateur Radio Station shall give its call sign at the end of each communication, and every ten minutes or less during a communication C. Each Amateur Radio Station shall give its call sign at the beginning of each communication, and every five minutes or less during a communication D. Each Amateur Radio Station shall give its call sign at the end of each communication, and every five minutes or less during a communication 2A 27.6 C What is the fewest number of times you must transmit your Amateur Radio staton identification during a 25 minute QSO? A. 1 B. 2 C. 3 D. 4 2A 27.7 B What is the longest period of time during a QSO that an amateur station does not need to transmit its station identification? A. 5 minutes B. 10 minutes C. 15 minutes D. 20 minutes 2A 28.1 D With which amateur stations may an FCC-licensed amateur station communicate? A. All amateur stations B. All public noncommercial radio stations unless prohibited by the station's government C. Only with US amateur stations D. All amateur stations, unless prohibited by the amateur's government 2A 28.2 C With which non-Amateur Radio stations may an FCC-licensed amateur station communicate? A. No non-amateur stations B. All such stations C. Only those authorized by the FCC D. Only those who use the International Morse code 2A 29.1 B When must the licensee of an Amateur Radio station in portable or mobile operation notify the FCC? A. One week in advance, if the operation will last for more than 24 hours B. FCC notification is not required for mobile or portable operation C. One week in advance, if the operation will last for more than a week D. One month in advance of any portable or mobile operation 2A 29.2 D When may you operate your Amateur Radio Station at a location within the United States, its territories or possessions other than the one listed on your station license? A. Only during times of emergency B. Only after giving proper notice to the FCC C. During an emergency or an FCC approved Emergency Preparedness Drill D. Whenever you want to 2A 30.1 A When are communications pertaining to business or commercial affairs of any party permitted in the amateur service? A. Only when the immediate safety of human life immediate protection of property is threatened B. There are no rules against conducting business communications in the Amateur Radio Service C. No business communications of any kind are ever permitted in the Amateur Radio Service D. Business communications are permitted between the hours of 9 AM to 5 PM, only on weekdays 2A 30.2 B You wish to obtain an application for membership in the American Radio Relay League. When would you be permitted to send an Amateur Radio message requesting the application? A. At any time, since the ARRL is a not-for-profit organization B. Never. This would facilitate the commercial affairs of the ARRL C. Only during normal business hours, between 9 AM and 5 PM D. At any time, since there are no rules against conducting business communications in the Amateur Radio Service 2A 30.3 D On your way home from work you decide to order pizza for dinner. When would you be permitted to use the autopatch on your radio club repeater to order the pizza? A. At any time, since you will not profit from the communications B. Only during normal business hours, between 9 AM and 5 PM C. At any time, since there are no rules against conducting business communications in the Amateur Radio Service D. Never. This would facilitate the commercial affairs of a business 2A 31.1 D When may an FCC-licensed amateur operator communicate with an amateur operator in a foreign country? A. Only when the foreign operator uses English as his primary language B. All the time, except on 28.600 to 29.700 MHz C. Only when a third-party agreement exists between the US and the foreign country D. At any time unless prohibited by either the US or the foreign government 2A 32.1 A When may an Amateur Radio Station be used to transmit messages for hire? A. Under no circumstances may an Amateur Radio Station be hired to transmit messages B. Modest payment from a non-profit charitable organization is permissible C. No money may change hands, but a radio amateur may be compensated for services rendered with gifts of equipment or services rendered as a return favor D. All payments received in return for transmitting messages by Amateur Radio must be reported to the IRS 2A 32.2 D When may the control operator be paid to transmit messages from an Amateur Station? A. The control operator may be paid if he or she works for a public service agency such as the Red Cross B. The control operator may not be paid under any circumstances C. The control operator may be paid if he or she reports all income earned from operating an Amateur Radio Station to the IRS as receipt of tax-deductible contributions D. The control operator may accept compensation if he or she works for a club station during the period in which the station is transmitting telegraphy practice or information bulletins if certain exacting conditions are met 2A 33.1 A When is an amateur operator permitted to broadcast information intended for the general public? A. Amateur operators are not permitted to broadcast information intended for the general public B. Only when the operator is being paid to transmit the information C. Only when such transmissions last less than 1 hour in any 24-hour period D. Only when such transmissions last longer than 15 minutes 2A 34.1 A What is third-party communications? A. A message passed from the control operator of an amateur station to another control operator on behalf of another person B. Public service communications handled on behalf of a minor political party C. Only messages that are formally handled through Amateur Radio channels D. A message from one Amateur Radio station to another in which a third Amateur Radio station must relay all or part of the message because of propagation problems 2A 34.2 B Who is a third-party in amateur communications? A. The Amateur Radio station that breaks into a two-way contact between two other Amateur Radio stations B. Any person for whom a message is passed through amateur communication channels other than the control operators of the two stations handling the message C. A shortwave listener monitoring a two-way Amateur Radio communication D. The control operator present when an unlicensed person communicates over an Amateur Radio Station 2A 34.3 D When is an amateur operator permitted to transmit a message to a foreign country for a third party? A. Anytime B. Never C. Anytime, unless there is a third-party traffic agreement between the US and the foreign government D. When there is a third-party traffic agreement between the US and the foreign government, or when the third party is eligible to be the control operator of the station 2A 35.1 A Is an amateur station permitted to transmit music? A. The transmission of music is not permitted in the Amateur Radio Service B. When the music played produces no dissonances of spurious emissions C. When it is used to jam an illegal transmission D. Only above 1280 MHz 2A 36.1 C Is the use of codes or ciphers where the intent is to obscure the meaning permitted during a two-way communication in the amateur service? A. Codes and ciphers are permitted during ARRL-sponsored contests B. Codes and ciphers are permitted during nationally declared emergencies C. The transmission of codes and ciphers where the intent is to obscure the meaning is not permitted in the amateur service D. Codes and ciphers are permitted above 1280 MHz 2A 36.2 D When is an operator in the amateur service permitted to use abbreviations that are intended to obscure the meaning of the message? A. Only during ARRL-sponsored contests B. Only on frequencies above 222.5 MHz C. Only during a declared communications emergency D. Abbreviations that are intended to obscure the meaning of the message may never be used in the amateur service 2A 37.1 A Under what circumstances, if any, may the control operator cause false or deceptive signals or communications to be transmitted? A. Under no circumstances B. When operating a beacon transmitter in a "Fox Hunt" exercise C. When playing a harmless practical joke without causing interference to other stations that are not involved D. When you need to obscure the meaning of transmitted information to ensure secrecy 2A 37.2 C If an Amateur Radio operator transmits the word "MAYDAY" when no actual emergency has occurred, what is this called? A. A traditional greeting in May B. An Emergency Action System test transmission C. False or deceptive signals D. "MAYDAY" has no significance in an emergency situation 2A 38.1 C When may an amateur station transmit unidentified communications? A. A transmission need not be identified if it is restricted to brief tests not intended for reception by other parties B. A transmission need not be identified when conducted on a clear frequency or "dead band" where interference will not occur C. An amateur operator may never transmit unidentified communications D. A transmission need not be identified unless two-way communications or third-party traffic handling are involved 2A 38.2 D What is the meaning of the term unidentified radio communications or signals? A. Radio communications in which the transmitting station's call sign is transmitted in modes other than CW and voice B. Radio communications approaching a receiving station from an unknown direction C. Radio communications in which the operator fails to transmit his or her name and QTH D. Radio communications in which the station identification is not transmitted 2A 38.3 A What is the term used to describe a transmission from an amateur station that does not transmit the required station identification? A. Unidentified communications or signals B. Reluctance modulation C. N0N emission D. Tactical communication 2A 39.1 C When may an amateur operator willfully or maliciously interfere with a radio communication or signal? A. You may jam another person's transmissions if that person is not operating in a legal manner B. You may interfere with another station's signals if that station begins transmitting on a frequency already occupied by your station C. You may never willfully or maliciously interfere with another station's transmissions D. You may expect, and cause, deliberate interference because it is unavoidable during crowded band conditions 2A 39.2 B What is the meaning of the term malicious interference? A. Accidental interference B. Intentional interference C. Mild interference D. Occasional interference 2A 39.3 B What is the term used to describe an Amateur Radio transmission that is intended to disrupt other communications in progress? A. Interrupted CW B. Malicious interference C. Transponded signals D. Unidentified transmissions 2A 40.1 C As an Amateur Radio operator, you receive an Official Notice of Violation from the FCC. How promptly must you respond? A. Within 90 days B. Within 30 days C. As specified in the Notice D. The next day 2A 40.2 D If you were to receive a voice distress signal from a station on a frequency outside your operator privileges, what restrictions would apply to assisting the station in distress? A. You would not be allowed to assist the station because the frequency of its signals were outside your operator privileges B. You would be allowed to assist the station only if your signals were restricted to the nearest frequency band of your privileges C. You would be allowed to assist the station on a frequency outside of your operator privileges only if you used international Morse code D. You would be allowed to assist the station on a frequency outside of your operator privileges using any means of radiocommunications at your disposal 2A 40.3 D If you were in a situation where normal communication systems were disrupted due to a disaster, what restrictions would apply to essential communications you might provide in connection with the immediate safety of human life? A. You would not be allowed to communicate at all except to the FCC Engineer in Charge of the area concerned B. You would be restricted to communications using only the emissions and frequencies authorized to your operator privileges C. You would be allowed to communicate on frequencies outside your operator privileges only if you used international Morse code D. You would be allowed to use any means of radiocommunication at your disposal 2B 1-1.1 A What is the most important factor to consider when selecting a transmitting frequency within your authorized subband? A. The frequency should not be in use by other amateurs B. You should be able to hear other stations on the frequency to ensure that someone will be able to hear you C. Your antenna should be resonant at the selected frequency D. You should ensure that the SWR on the antenna line is high enough at the selected frequency 2B 1-1.2 C You wish to contact an Amateur Radio station more than 1500 miles away on a summer afternoon. Which band is most like to provide a successful contact? A. The 80- or 40-meter bands B. The 40- or 15-meter bands C. The 15- or 10-meter bands D. The 1-1/4 meter or 23-centimeter bands 2B 1-1.3 C How can On-The-Air transmitter tune-up be kept as short as possible? A. By using a random wire antenna B. By tuning up on 40 meters first, then switching to the desired band C. By tuning the transmitter into a dummy load D. By using twin lead instead of coaxial-cable feed lines 2B 1-2.1 D You are having a QSO with you uncle in Pittsburgh when you hear an emergency call for help on the frequency you are using. What should you do? A. Inform the station that the frequency in in use B. Direct the station to the nearest emergency net frequency C. Call your local Civil Preparedness Office and inform them of the emergency D. Immediately stand by to copy the emergency communication 2B 2-1.1 A What is the format of a standard Morse code CQ call? A. Transmit the procedural signal "CQ" three times, followed by the procedural signal "DE," followed by your call three times B. Transmit the procedural signal "CQ" three times, followed by the procedural signal "DE," followed by your call one time C. Transmit the procedural signal "CQ" ten times, followed by the procedural signal "DE," followed by your call one time D. Transmit the procedural signal "CQ" continuously until someone answers your call 2B 2-1.2 B How should you answer a Morse code CQ call? A. Send your call sign four times B. Send the other station's call sign twice, followed by the procedural "DE," followed by your call sign twice C. Send the other station's call sign once, followed by the procedural "DE," followed by your call sign four times D. Send your call sign followed by your name, station location and a signal report 2B 2-2.1 C At what telegraphy speed should a CQ message be transmitted? A. Only speeds below five WPM B. The highest speed your keyer will operate C. The speed at which you can reliably receive D. The highest speed at which you can control the keyer 2B 2-3.1 C What is the meaning of the Morse code character AR? A. Only the called station transmit B. All received correctly C. End of transmission D. Best regards 2B 2-3.2 D What is the meaning of the Morse code character SK? A. Received some correctly B. Best regards C. Wait D. End of contact 2B 2-3.3 A What is the meaning of the Morse code character BT? A. Double dash "=" B. Fraction bar "/" C. End of contact D. Back to you 2B 2-3.4 B What is the meaning of the Morse code character DN? A. Double dash "=" B. Fraction bar "/" C. Done now (end of contact) D. Called station only transmit 2B 2-3.5 C What is the meaning of the Morse code character KN? A. Fraction bar "/" B. End of contact C. Called station only transmit D. Key now (go ahead to transmit) 2B 2-4.1 D What is the procedural signal "CQ" used for? A. To notify another station that you will call on the quarter hour B. To indicate that you are testing a new antenna and are not listening for another station to answer C. To indicate that only the called station should transmit D. A general call when you are trying to make a contact 2B 2-4.2 A What is the procedural signal "DE" used for? A. To mean "from" or "this is" as in "W9NGT de N9BTT" B. To indicate directional emissions from your antenna C. To indicate "received all correctly" D. To mean "calling any station" 2B 2-4.3 A What is the procedural signal "K' used for? A. To mean "any station transmit" B. To mean "all received correctly" C. To mean "end of message" D. To mean "called station only transmit" 2B 2-5.1 D What does the R in the RST signal report mean? A. The recovery of the signal B. The resonance of the CW tone C. The rate of the signal flutter D. The readability of the signal 2B 2-5.2 B What does the S in the RST signal report mean? A. The scintillation of the signal B. The strength of the signal C. The signal quality D. The speed of the CW transmission 2B 2-5.3 A What does the T in the RST signal report mean? A. The tone of the signal B. The closeness of the signal to "Telephone" Quality C. The timing of the signal dot to dash ratio D. The tempo of the signal 2B 2-6.1 B What is one meaning of the Q signal "QRS"? A. Interference from static B. Send more slowly C. Send RST report D. Radio station location is 2B 2-6.2 C What is one meaning of the Q signal "QRT"? A. The correct time is B. Send RST report C. Stop sending D. Radio station location is 2B 2-6.3 D What is one meaning of the Q signal "QTH"? A. Time here is B. My name is C. Stop sending D. My location is... 2B 2-6.4 A What is one meaning of the Q signal "QRZ," when it is followed with a question mark? A. Who is calling me? B. What is your radio zone? C. What time zone are you in? D. Is this frequency in use? 2B 2-6.5 B What is one meaning of the Q signal "QSL," when it is followed with a question mark? A. Shall I send you my log? B. Can you acknowledge receipt (of my message)? C. Shall I send more slowly? D. Who is calling me? 2B 3-1.1 C What is the format of a standard radiotelephone CQ call? A. Transmit the phrase "CQ" at least ten times, followed by "this is," followed by your call sign once B. Transmit the phrase "CQ" at least five times, followed by "this is," followed by your call sign once C. Transmit the phrase "CQ" three times, followed by "this is," followed by your call sign three times D. Transmit the phrase "CQ" at least ten times, followed by "this is," followed by your call sign once 2B 3-1.2 D How would you answer a radiotelephone CQ call? A. Transmit the other station's call sign at least ten times, followed by "this is," followed by your call sign at least twice B. Transmit the other station's call sign at least five times phonetically, followed by "this is," followed by your call sign at least once C. Transmit the other station's call sign at least three times, followed by "this is," followed by your call sign at least five times phonetically D. Transmit the other station's call sign once, followed by "this is," followed by your call sign given phonetically 2B 3-2.1 A How is the call sign "KA3BGQ" stated in Standard International Phonetics? A. Kilo Alpha Three Bravo Golf Quebec B. King America Three Baker Golf Queen C. Kilowatt Alpha Three Bravo George Queen D. Kilo America Three Baker Golf Quebec 2B 3-2.2 C How is the call sign "WE5TZD" stated phonetically? A. Whiskey Echo Foxtrot Tango Zulu Delta B. Washington England Five Tokyo Zanzibar Denmark C. Whiskey Echo Five Tango Zulu Delta D. Whiskey Easy Five Tear Zebra Dog 2B 3-2.3 A How is the call sign "KC4HRM" stated phonetically? A. Kilo Charlie Four Hotel Romeo Mike B. Kilowatt Charlie Four Hotel Roger Mexico C. Kentucky Canada Four Honolulu Radio Mexico D. King Charles Foxtrot Hotel Roger Mary 2B 3-2.4 D How is the call sign "AF6PSQ" stated phonetically? A. America Florida Six Portugal Spain Quebec B. Adam Frank Six Peter Sugar Queen C. Alfa Fox Sierra Papa Santiago Queen D. Alfa Fox Six Papa Sierra Quebec 2B 3-2.5 A How is the call sign "NB8LXG" stated phonetically? A. November Bravo Eight Lima Xray Golf B. Nancy Baker Eight Love Xray George C. Norway Boston Eight Long Xray Germany D. November Bravo Eight London Xray Germany 2B 3-2.6 C How is the call sign "KJ1UOI" stated phonetically? A. King John One Uncle Oboe Ida B. Kilowatt George India Uncle Oscar India C. Kilo Juliette One Uniform Oscar India D. Kentucky Juliette One United Ontario Indiana 2B 3-2.7 A How is the call sign "WV2BPZ" stated phonetically? A. Whiskey Victor Two Bravo Papa Zulu B. Willie Victor Two Baker Papa Zebra C. Whiskey Victor Tango Bravo Papa Zulu D. Willie Virginia Two Boston Peter Zanzibar 2B 3-2.8 D How is the call sign "NY3CTJ" stated phonetically? A. Norway Yokohama Three California Tokyo Japan B. Nancy Yankee Three Cat Texas Jackrabbit C. Norway Yesterday Three Charlie Texas Juliette D. November Yankee Three Charlie Tango Juliette 2B 3-2.9 B How is the call sign "KG7DRV" stated phonetically? A. Kilo Golf Seven Denver Radio Venezuela B. Kilo Golf Seven Delta Romeo Victor C. King John Seven Dog Radio Victor D. Kilowatt George Seven Delta Romeo Video 2B 3-2.10 A How is the call sign "WX9HKS" stated phonetically? A. Whiskey Xray Nine Hotel Kilo Sierra B. Willie Xray November Hotel King Sierra C. Washington Xray Nine Honolulu Kentucky Santiago D. Whiskey Xray Nine Henry King Sugar 2B 3-2.11 C How is the call sign "AE0LQY" stated phonetically? A. Able Easy Zero Lima Quebec Yankee B. Arizona Ecuador Zero London Queen Yesterday C. Alfa Echo Zero Lima Quebec Yankee D. Alfa Echo Zero Love Queen Yoke 2B 4-1.1 B What is the format of a standard RTTY CQ call? A. Transmit the phrase "CQ" at least three times, followed by "DE", followed by your call sign two times B. Transmit the phrase "CQ" three to six times, followed by "DE", followed by your call three times C. Transmit the phrase "CQ" ten times, followed by the procedural signal "DE", followed by your call sign one time D. Transmit the phrase "CQ" continuously until someone answers your call 2B 4-2.1 B You receive an RTTY CQ call at 45 bauds. At what speed should you respond? A. 22-1/2 bauds B. 45 bauds C. 90 bauds D. any speed, since radioteletype systems adjust to any signal rate 2B 5-1.1 C What does the term connected mean in a packet-radio link? A. A telephone link has been established between two amateurs B. An Amateur Radio message has reached the station for local delivery C. The transmitting station is sending data specifically addressed to the receiving station, and the receiving station is acknowledging that the data has been received correctly D. The transmitting station and a receiving station are using a certain digipeater, so no other contacts can take place until they are finished 2B 5-1.2 D What does the term monitoring mean on a frequency used for packet radio? A. The FCC is copying all messages to determine their content B. A member of the Amateur Auxiliary to the FCC's Field Operations Bureau is copying all messages to determine their content C. The receiving station's video monitor is displaying all messages intended for that station, and is acknowledging correct receipt of the data D. The receiving station is displaying information that may not be addressed to that station, and is not acknowledging correct receipt of the data 2B 5-2.1 A What is a digipeater? A. A packet-radio station used to retransmit data that is specifically addressed to be retransmitted by that station B. An Amateur Radio repeater designed to retransmit all audio signals in a digital form C. An Amateur Radio repeater designed using only digital electronics components D. A packet-radio station that retransmits any signals it receives 2B 5-2.2 B What is the meaning of the term network in packet radio? A. A system of telephone lines interconnecting packet-radio stations to transfer data B. A method of interconnecting packet-radio stations so that data can be transferred over long distances C. The interlaced wiring on a terminal-node-controller board D. The terminal-node-controller function that automatically rejects another caller when the station is connected 2B 6-1.1 C What is a good way to establish a contact on a repeater? A. Give the call sign of the station you want to contact 3 times B. Call the other operator by name, then give your call sign 3 times C. Call the desired station and then identify your own station D. Say BREAKER BREAKER, and then give your call sign 2B 6-2.1 D What is the main purpose of a repeater? A. To provide a station that makes local information available 24 hours a day B. To provide a means of linking Amateur Radio Stations with the telephone system C. To retransmit NOAA Weather Information during sever storm warnings D. Repeaters extend the range of portable and mobile stations 2B 6-3.1 A What does it mean to say that a repeater has an input and an output frequency? A. The repeater receives on one frequency and transmits on another B. All repeaters offer a choice of two operating frequencies in case one is busy C. One frequency is used to control repeater functions and the other is used to retransmit received signals D. Repeaters require an access code to be transmitted on one frequency while your voice is transmitted on the other 2B 6-4.1 B When should simplex operation be used instead of using a repeater? A. Whenever greater communications reliability is needed B. Whenever a contact is possible without using a repeater C. Whenever you need someone to make an emergency telephone call D. Whenever you are traveling and need some local information 2B 6-5.1 C What is an autopatch? A. A repeater feature that automatically selects the strongest received signal to be repeated B. An automatic system of connecting a mobile station to the next repeater as it moves out of range of the first C. A device that allows repeater users to make telephone calls from their portable or mobile stations D. A system that automatically locks the other stations out of the repeater when there is a QSO in progress 2B 6-5.2 D What is the purpose of a repeater time-out timer? A. It allows the repeater to have a rest period after heavy use B. It logs repeater transmit time to determine when the repeater mean time between failure rating is exceeded C. It limits repeater transmission time to no more than ten minutes D. It limits repeater transmission time to no more than three minutes 2C 1.1 A What type of radio-wave propagation occurs when the signal travels in a straight line from the transmitting antenna to the receiving antenna? A. Line-of-sight propagation B. Straight-line propagation C. Knife-edge diffraction D. Tunnel propagation 2C 1.2 B What path do radio waves usually follow from a transmitting antenna to a receiving antenna at VHF and higher frequencies? A. A bent path through the ionosphere B. A straight line C. A great circle path over either the north or south pole D. A circular path going either east or west from the transmitter 2C 2.1 D What type of propagation involves radio signals that travel along the surface of the Earth? A. Sky-wave propagation B. Knife-edge diffraction C. E-layer propagation D. Ground-wave propagation 2C 2.2 B What is the meaning of the term ground wave propagation? A. Signals that travel along seismic fault lines B. Signals that travel along the surface of the earth C. Signals that are radiated from a ground-plane antenna D. Signals that are radiated from a ground station to a satellite 2C 2.3 B Two Amateur Radio stations a few miles apart and separated by a low hill blocking their line-of-sight path are communicating on 3.725 MHz. What type of propagation is probably being used? A. Tropospheric ducting B. Ground wave C. Meteor scatter D. Sporadic E 2C 2.4 A When compared to sky-wave propagation, what is the usual effective range of ground wave propagation? A. Much smaller B. Much greater C. The same D. Dependent on the weather 2C 3.1 A What type of propagation uses radio signals refracted back to earth by the Ionosphere? A. Sky wave B. Earth-moon-earth C. Ground wave D. Tropospheric 2C 3.2 B What is the meaning of the term sky-wave propagation? A. Signals reflected from the moon B. Signals refracted by the ionosphere C. Signals refracted by water-dense cloud formations D. Signals retransmitted by a repeater 2C 3.3 D What does the term skip mean? A. Signals are reflected from the moon B. Signals are refracted by water-dense cloud formations C. Signals are retransmitted by repeaters D. Signals are refracted by the ionosphere 2C 3.4 A What is the area of weak signals between the ranges of ground waves and the first-hop called? A. The skip zone B. The hysteresis zone C. The monitor zone D. The transequatorial zone 2C 3.5 C What is the meaning of the term skip zone? A. An area covered by skip propagation B. The area where a satellite comes close to the earth, and skips off the ionosphere C. An area that is too far for ground wave propagation, but too close for skip propagation D. The area in the atmosphere that causes skip propagation 2C 3.6 D What type of radio wave propagation makes it possible for Amateur Stations to communicate long distances? A. Direct-inductive propagation B. Knife-edge diffraction C. Ground-wave propagation D. Sky wave propagation 2C 4.1 C How long is an average sunspot cycle? A. 2 years B. 5 years C. 11 years D. 17 years 2C 4.2 D What is the term used to describe the long-term variation in the number of visible sunspots? A. The 11-year cycle B. The Solar magnetic flux cycle C. The hysteresis count D. The sunspot cycle 2C 5.1 A What affect does the number of sunspots have on the maximum usable frequency (MUF)? A. The more sunspots there are, the higher the MUF will be B. The more sunspots there are, the lower the MUF will be C. The MUF is equal to the square of the number of sunspots D. The number of sunspots effects the lowest usable frequency (LUF) but not the MUF 2C 5.2 B What affect does the number of sunspots have on the ionization level in the atmosphere? A. The more sunspots there are, the lower the ionization level will be B. The more sunspots there are, the higher the ionization level will be C. The ionization level of the ionosphere is equal to the square root of the number of sunspots D. the ionization level of the ionosphere is equal to the square of the number of sunspots 2C 6.1 C Why can a VHF or UHF radio signal that is transmitted toward a mountain often be received at some distant point in a different direction? A. You can never tell what direction a radio wave is traveling in B. These radio signals are easily bent by the ionosphere C. These radio signals are easily reflected by objects in their path D. These radio signals are sometimes scattered in the ectosphere 2C 6.2 C Why can the direction that a VHF or UHF radio signal is traveling be changed if there is a tall building in the way? A. You can never tell what direction a radio wave is traveling in B. These radio waves are easily bent by the Ionosphere C. These radio waves are easily reflected by objects in their path D. These radio waves are sometimes scattered in the Ectosphere 2D 1.1 B How can you prevent the use of your amateur station by unauthorized persons? A. Install a carrier operated relay in the main power line B. Install a key-operated "ON/OFF" switch in the main power line C. Post a "Danger - High Voltage" sign in the station D. Install AC line fuses in the main power line 2D 1.2 A What is the purpose of a key-operated "ON/OFF" switch in the main power line? A. To prevent the use of your station by unauthorized persons B. To provide an easy method for the FCC to put your station off the air C. To prevent the power company from inadvertently turning off your electricity during an emergency D. As a safety feature, to kill all power to the station in the event of an emergency 2D 2.1 D Why should all antenna and rotor cables be grounded when an amateur station is not in use? A. To lock the antenna system in one position B. To avoid radio frequency interference C. To save electricity D. To protect the station and building from damage due to a nearby lightning strike 2D 2.2 C How can an antenna system be protected from damage caused by a nearby lightning strike? A. Install a balun at the antenna feed point B. Install an RF choke in the feed line C. Ground all antennas when there are not in use D. Install a line fuse in the antenna wire 2D 2.3 D How can Amateur Station equipment be protected from damage caused by voltage induced in the power lines by a nearby lightning strike? A. Use heavy insulation on the wiring B. Keep the equipment on constantly C. Disconnect the ground system D. Disconnect all equipment after use, either by unplugging or by using a main disconnect switch 2D 2.4 B For proper protection from lightning strikes, what equipment should be grounded in an amateur station? A. The power supply primary B. All station equipment C. The feel line center conductors D. The ac power mains 2D 3.1 A What is a convenient indoor grounding point for an amateur station? A. A metallic cold water pipe B. PVC plumbing C. A window screen D. A natural gas pipe 2D 3.2 C To protect against electrical shock hazards, what should you connect the chassis of each piece of your equipment to? A. Insulated shock mounts B. The antenna C. A good ground connection D. A circuit breaker 2D 3.3 B What type of material should a driven ground rod be made of? A. Ceramic or other good insulator B. Copper or copper-clad steel C. Iron or steel D. Fiberglass 2D 3.4 C What is the shortest ground rod you should consider installing for your amateur station RF ground? A. 4 foot B. 6 foot C. 8 foot D. 10 foot 2D 4.1 B What precautions should you take when working with a 1270 MHz waveguide? A. Make sure that the RF leakage filters are installed at both ends of the waveguide B. Never look into the open end of the waveguide when RF is applied C. Minimize the standing-wave ratio before you test the waveguide D. Never have both ends of the waveguide open at once when RF is applied 2D 4.2 A What precautions should you take when you mount a UHF antenna in a permanent location? A. Make sure that no one can be near the antenna when you are transmitting B. Make sure the RF shield screens are in place C. Make sure the antenna is near the ground to maximize the directional effect D. Make sure you install an RF leakage filter at the antenna feed point 2D 4.3 C What precautions should you take before removing the shielding on a UHF power amplifier? A. Make sure all RF screens are in place at the antenna B. Make sure the feedline is properly grounded C. Make sure the amplifier cannot be accidentally energized D. Make sure that the RF leakage filters are connected 2D 4.4 A Why should you use only good-quality, well-constructed coaxial cable and connectors for a UHF antenna system? A. To minimize RF leakage B. To reduce parasitic oscillations C. To maximize the directional characteristics of your antenna D. To maximize the standing wave ratio of the antenna system 2D 4.5 B Why should you be careful to position the antenna of your 220 MHz hand-held transceiver away from your head when you are transmitting? A. To take advantage of the directional effect B. To minimize RF exposure C. To use your body to reflect the signal, improving the directional characteristics of the antenna D. To minimize static discharges 2D 4.6 B Which of the following types of radiation produce health risks most like the risks produced by radio frequency radiation? A. Microwave oven radiation and ultraviolet radiation B. Microwave oven radiation and radiation from an electric space heater C. Radiation from Uranium or Radium and ultraviolet radiation D. Sunlight and radiation from an electric space heater 2D 5.1 D Why is there a switch that turns off the power to a high-voltage power supply if the cabinet is opened? A. To prevent RF from escaping from the supply B. To prevent RF from entering the supply through the open cabinet C. To provide a way to turn the power supply on and off D. To reduce the danger of electrical shock 2D 5.2 A What purpose does a safety interlock on an amateur transmitter serve? A. It reduces the danger that the operator will come in contact with dangerous high voltages when the cabinet is opened while the power is on B. It prevents the transmitter from being turned on accidentally C. It prevents RF energy from leaking out of the transmitter cabinet D. It provides a way for the station licensee to ensure that only authorized operators can turn the transmitter on 2D 6.1 D What type of safety equipment should you wear when you are working at the top of an antenna tower? A. A grounding chain B. A reflective vest C. Loose clothing D. A carefully inspected safety belt 2D 6.2 D Why should you wear a safety belt when you are working at the top on an antenna tower? A. To provide a way to safely hold your tools so they don't fall and injure someone on the ground B. To maintain a balanced load on the tower while you are working C. To provide a way to safely bring tools up and down the tower D. To prevent an accidental fall 2D 6.3 A For safety purposes, how high should you locate all portions of your horizontal wire antenna? A. High enough so that a person cannot touch them from the ground B. Higher than chest level C. Above knee level D. Above electrical lines 2D 6.4 D What type of safety equipment should you wear when you are on the ground assisting someone who is working on an antenna tower? A. A reflective vest B. A safety belt C. A grounding chain D. A hard hat 2D 6.5 A Why should you wear a hard hat when you are on the ground assisting someone who is working on an antenna tower? A. To avoid injury from tools dropped from the tower B. To provide an RF shield during antenna testing C. To avoid injury if the tower should accidentally collapse D. To avoid injury from walking into tower guy 2D 7-1.1 C What accessory is used to measure standing wave ratio? A. An ohm meter B. An ammeter C. An SWR meter D. A current bridge 2D 7-1.2 D What instrument is used to indicate the relative impedance match between a transmitter and antenna? A. An ohm meter B. An ammeter C. A voltmeter D. An SWR meter 2D 7-2.1 B What does an SWR-meter reading of 1:1 indicate? A. An antenna designed for use on another frequency band is probably connected B. An optimum impedance match has been attained C. No power is being transferred to the antenna D. An SWR meter never indicates 1:1 unless it is defective 2D 7-2.2 C What does an SWR-meter reading of less than 1.5:1 indicate? A. An unacceptably low reading B. An unacceptably high reading C. An acceptable impedance match D. An antenna gain of 1.5 2D 7-2.3 D What does an SWR-meter reading of 4:1 indicate? A. An unacceptably low reading B. An acceptable impedance match C. An antenna gain of 4 D. An impedance mismatch, which is not acceptable; it indicates problems with the antenna system 2D 7-2.4 C What does an SWR-meter reading of 5:1 indicate? A. The antenna will make a 10-watt signal as strong as a 50-watt signal B. Maximum power is being delivered to the antenna C. An unacceptable mismatch is indicated D. A very desirable impedance match has been attained 2D 7-3.1 A What kind of SWR-meter reading may indicate poor electrical contact between parts of an antenna system? A. An erratic reading B. An unusually low reading C. No reading at low D. A negative reading 2D 7-3.2 A What does an unusually high SWR-meter reading indicate? A. That the antenna is not the correct length, or that there is an open or shorted connection somewhere in the feed line B. That the signals arriving at the antenna are unusually strong, indicating good radio conditions C. that the transmitter is producing more power than normal, probably indicating that the final amplifier tubes or transistors are about to go bad D. That there is an unusually large amount of solar white-noise radiation, indicating very poor radio conditions 2D 7-3.3 B The SWR-meter reading at the low-frequency end of an amateur band is 2.5:1, and the SWR-meter reading at the high-frequency end of the same band is 5:1. What does this indicate about your antenna? A. The antenna is broadbanded B. The antenna is too long for operation on this band C. The antenna is too short for operation on this band D. The antenna has been optimized for operation on this band 2D 7-3.4 C The SWR-meter reading at the low-frequency end of an amateur band is 5:1; and the SWR-meter reading at the high-frequency end of the same band is 2.5:1. What does this indicate about your antenna? A. The antenna is broadbanded B. The antenna is too long for operation on this band C. The antenna is too short for operation on this band D. The antenna has been optimized for operation on this band 2D 8-1.1 C What is meant by receiver overload? A. Interference caused by transmitter harmonics B. Interference caused by overcrowded band conditions C. Interference caused by strong signals from a nearby transmitter D. Interference caused by turning the receiver volume too high 2D 8-1.2 B What is a likely indication that radio-frequency interference to a receiver is caused by front-end overload? A. A low pass filter at the transmitter reduces interference sharply B. The interference is independent of frequency C. A high pass filter at the receiver reduces interference little or not at all D. Grounding the receiver makes the problem worse 2D 8-1.3 C Your neighbor reports interference to his television whenever you are transmitting from your amateur station. This interference occurs regardless of your transmitter frequency. What is likely to be the cause of the interference? A. Inadequate transmitter harmonic suppression B. Receiver VR tube discharge C. Receiver overload D. Incorrect antenna length 2D 8-1.4 B What type of filter should be installed on a TV receiver as the first step in preventing RF overload from an amateur HF station transmission? A. Low Pass B. High Pass C. Band Pass D. Notch 2D 8-2.1 A What is meant by harmonic radiation? A. Transmission of signals at whole number multiples of the fundamental (desired) frequency B. Transmission of signals that include a superimposed 60-Hz hum C. Transmission of signals caused by sympathetic vibrations from a nearby transmitter D. Transmission of signals to produce a stimulated emission in the air to enhance skip propagation 2D 8-2.2 A Why is harmonic radiation from an amateur station undesirable? A. It will cause interference to other stations and may result in out-of-band radiation B. It uses large amounts of electric power C. It will cause sympathetic vibrations in nearby transmitters D. It will produce stimulated emission in the air above the transmitter, thus causing aurora 2D 8-2.3 A What type of interference may radiate from a multi-band antenna connected to an improperly tuned transmitter? A. Harmonic radiation B. Auroral distortion C. Parasitic radiation D. Intermodulation 2D 8-2.4 C What is the purpose of shielding in a transmitter? A. It gives the low pass filter structural stability B. It enhances the microphonic tendencies of radiotelephone transmitters C. It prevents unwanted RF radiation D. It helps maintain a sufficiently high operating temperature in circuit components 2D 8-2.5 D Your neighbor reports interference on one or two channels of her television when you are transmitting from your amateur station. This interference only occurs when you are operating on 15 meters. What is likely to be the cause of the interference? A. Excessive low-pass filtering on your transmitter B. Sporadic E de-ionization near your neighbor's TV antenna C. TV Receiver front-end overload D. Harmonic radiation from your transmitter 2D 8-2.6 B What type of filter should be installed on an amateur transmitter as the first step in reducing harmonic radiation? A. Key click filter B. Low pass filter C. High pass filter D. CW filter 2D 8-3.1 A If you are notified that your amateur station is causing television interference, what should you do first? A. Make sure that your amateur equipment is operating properly, and that it does not cause interference to your own television B. Immediately turn off your transmitter and contact the nearest FCC office for assistance C. Install a high-pass filter at the transmitter output and a low-pass filter at the antenna-input terminals of the TV D. Continue operating normally, since you have no legal obligation to reduce or eliminate the interference 2D 8-3.2 B Your neighbor informs you that you are causing television interference, but you are sure your amateur equipment is operating properly and you cause no interference to your own TV. What should you do? A. Immediately turn off your transmitter and contact the nearest FCC office for assistance B. Work with you neighbor to determine that you are actually the cause of the interference C. Install a high-pass filter at the transmitter output and a low-pass filter at the antenna-input terminals of the TV D. Continue operating normally, since you have no legal obligation to reduce or eliminate the interference 2E 1-1.1 C Your receiver dial is calibrated in megahertz and shows a signal at 1200 MHz. At what frequency would a dial calibrated in gigahertz show the signal? A. 1,200,000 GHz B. 12 GHz C. 1.2 GHz D. 0.0012 GHz 2E 1-2.1 B Your receiver dial is calibrated in kilohertz and shows a signal at 7125 kHz. At what frequency would a dial calibrated in megahertz show the signal? A. 0.007125 MHz B. 7.125 MHz C. 71.25 MHz D. 7,125,000 MHz 2E 1-2.2 D Your receiver dial is calibrated in gigahertz and shows a signal at 1.2 GHz. At what frequency would a dial calibrated in megahertz show the same signal? A. 1.2 MHz B. 12 MHz C. 120 MHz D. 1200 MHz 2E 1-3.1 B Your receiver dial is calibrated in megahertz and shows a signal at 3.525 MHz. At what frequency would a dial calibrated in kilohertz show the signal? A. 0.003525 kHz B. 3525 kHz C. 35.25 kHz D. 3,525,000 kHz 2E 1-3.2 D Your receiver dial is calibrated in kilohertz and shows a signal at 3725 kHz. At what frequency would a dial calibrated in hertz show the same signal? A. 3,725 Hz B. 3.725 Hz C. 37.25 Hz D. 3,725,000 Hz 2E 1-4.1 B How long (in meters) is an antenna that is 400 centimeters long? A. 0.0004 meters B. 4 meters C. 40 meters D. 40,000 meters 2E 1-5.1 C What reading will be displayed on a meter calibrated in amperes when it is being used to measure a 3000-milliampere current? A. 0.003 amperes B. 0.3 amperes C. 3 amperes D. 3,000,000 amperes 2E 1-5.2 C What reading will be displayed on a meter calibrated in volts when it is being used to measure a 3500-millivolt potential? A. 350 volts B. 35 volts C. 3.5 volts D. 0.35 volts 2E 1-6.1 B How many farads is 500,000 microfarads? A. 0.0005 farads B. 0.5 farads C. 500 farads D. 500,000,000 farads 2E 1-7.1 B How many microfarads is 1,000,000 picofarads? A. 0.001 microfarads B. 1 microfarad C. 1,000 microfarads D. 1,000,000,000 microfarads 2E 2-1.1 D What is the term used to describe the flow of electrons in an electric circuit? A. Voltage B. Resistance C. Capacitance D. Current 2E 2-2.1 C What is the basic unit of electrical current? A. The volt B. The watt C. The ampere D. The ohm 2E 3-1.1 A What supplies the force that will cause electrons to flow through a circuit? A. Electromotive force, or voltage B. Magnetomotive force, or inductance C. Farad force, or capacitance D. Thermodynamic force, or entropy 2E 3-1.2 D The pressure in a water pipe is comparable to what force in an electrical circuit? A. Current B. Resistive C. Gravitational D. Voltage 2E 3-1.3 C An electric circuit must connect to two terminals of a voltage source. What are these two terminals called? A. The north and south poles B. The positive and neutral terminals C. The positive and negative terminals D. The entrance and exit terminals 2E 3-2.1 A What is the basic unit of voltage? A. The volt B. The watt C. The ampere D. The ohm 2E 4.1 C List at least three good electrical conductors. A. Copper, gold, mica B. Gold, silver, wood C. Gold, silver, aluminum D. Copper, aluminum, paper 2E 5.1 A List at least four good electrical insulators. A. Glass, air, plastic, porcelain B. Glass, wood, copper, porcelain C. Paper, glass, air, aluminum D. Plastic, rubber, wood, carbon 2E 6-1.1 D There is a limit to the electric current that can pass through any material. What is this current limiting called? A. Fusing B. Reactance C. Saturation D. Resistance 2E 6-1.2 A What is an electrical component called that opposes electron movement through a circuit? A. A resistor B. A reactor C. A fuse D. An oersted 2E 6-2.1 D What is the basic unit of resistance A. The volt B. The watt C. The ampere D. The ohm 2E 7.1 C What electrical principle relates voltage, current and resistance in an electric circuit? A. Ampere's Law B. Kirchhoff's Law C. Ohm's Law D. Tesla's Law 2E 7.2 C There is a 2-amp current through a 50-ohm resistor. What is the applied voltage? A. 0.04 volts B. 52 volts C. 100 volts D. 200 volts 2E 7.3 B If 200 volts is applied to a 100-ohm resistor, what is the current through the resistor? A. 0.5 amps B. 2 amps C. 50 amps D. 20000 amps 2E 7.4 C There is a 3-amp current through a resistor and we know that the applied voltage is 90 volts. What is the value of the resistor? A. 0.03 ohms B. 10 ohms C. 30 ohms D. 2700 ohms 2E 8.1 D What is the term used to describe the ability to do work? A. Voltage B. Power C. Inertia D. Energy 2E 8.2 A What is converted to heat and light in an electric light bulb? A. Electrical energy B. Electrical voltage C. Electrical power D. Electrical current 2E 9-1.1 C What term is used to describe the rate of energy consumption? A. Energy B. Current C. Power D. Voltage 2E 9-1.2 C You have two lamps with different wattage light bulbs in them. How can you determine which bulb uses electrical energy faster? A. The bulb that operates from the higher voltage will consume energy faster B. The physically larger bulb will consume energy faster C. The bulb with the higher wattage rating will consume energy faster D. The bulb with the lower wattage rating will consumer energy faster 2E 9-2.1 B What is the basic unit of electrical power? A. The ohm B. The watt C. The volt D. The ampere 2E 10.1 C What is the term for an electrical circuit in which there can be no current flow? A. A closed circuit B. A short circuit C. An open circuit D. A hyper circuit 2E 11.1 D What is the term for a failure in an electrical circuit that causes excessively high current? A. An open circuit B. A dead circuit C. A closed circuit D. A short circuit 2E 12-1.1 B What is the term used to describe a current that flows only in one direction? A. Alternating current B. Direct current C. Periodic current D. Pulsating current 2E 12-2.1 A What is the term used to describe a current that flows first in one direction, then in the opposite direction, over and over? A. Alternating current B. Direct current C. Negative current D. Positive current 2E 12.3.1 D What is the term for the number of complete cycles of an alternating waveform that occur in one second? A. Pulse repetition rate B. Hertz C. Frequency per wavelength D. Frequency 2E 12.3.2 A A certain ac signal makes 2000 complete cycles in one second. What property of the signal does this number describe? A. The frequency of the signal B. The pulse repetition rate of the signal C. The wavelength of the signal D. The hertz per second of the signal 2E 12-3.3 A What is the basic unit of frequency? A. The hertz B. The cycle C. The kilohertz D. The megahertz 2E 12.4.1 B What range of frequencies are usually called audio frequencies? A. 0 to 20 Hz B. 20 to 20,000 Hz C. 200 to 200,000 Hz D. 10,000 to 30,000 Hz 2E 12-4.2 A A signal at 725 Hz is in what frequency range? A. Audio frequency B. Intermediate frequency C. Microwave frequency D. Radio frequency 2E 12-4.3 B Why do we call signals in the range 20 Hz to 20,000 Hz audio frequencies? A. Because the human ear rejects signals in this frequency range B. Because the human ear responds to sounds in this frequency range C. Because frequencies in this range are too low for a radio to detect D. Because a radio converts signals in this range directly to sounds the human ear responds to 2E 12-5.1 C Signals above what frequencies are usually called radio-frequency signals? A. 20 Hz B. 2000 Hz C. 20,000 Hz D. 1,000,000 Hz 2E 12-5.2 B A signal at 7125 kHz is in what frequency range? A. Audio frequency B. Radio frequency C. Hyper-frequency D. Super-high frequency 2E 13.1 C What is the term for the distance an ac signal travels during one complete cycle? A. Wave velocity B. Velocity factor C. Wavelength D. Wavelength per meter 2E 13.2 D In the time it takes a certain radio signal to pass your antenna, the leading edge of the wave travels 12 meters. What property of the signal does this number refer to? A. The signal frequency B. The wave velocity C. The velocity factor D. The signal wavelength 2F 1.1 B What is the symbol used on schematic diagrams to represent a resistor? (Please refer to Diagram 2F-1.1) A. Symbol A B. Symbol B C. Symbol C D. Symbol D 2F 1.2 C What is the symbol used on schematic diagrams to represent a variable resistor or potentiometer? (Please refer to Diagram 2F-1.2) A. Symbol A B. Symbol B C. Symbol C D. Symbol D 2F 1.3 C In diagram 2F-1, which component is a resistor? A. 1 B. 2 C. 3 D. 4 2F 2.1 A What is the symbol used on schematic diagrams to represent a single-pole, single-throw switch? (Please refer to Diagram 2F-2.1) A. Symbol A B. Symbol B C. Symbol C D. Symbol D 2F 2.2 A What is the symbol used on schematic diagrams to represent a single-pole, double-throw switch? (Please refer to Diagram 2F-2.2) A. Symbol A B. Symbol B C. Symbol C D. Symbol D 2F 2.3 B What is the symbol used on schematic diagrams to represent a double-pole, double-throw switch? (Please refer to Diagram 2F-2.3) A. Symbol A B. Symbol B C. Symbol C D. Symbol D 2F 2.4 D What is the symbol used on schematic diagrams to represent a single-pole 5-position switch? (Please refer to Diagram 2F-2.4) A. Symbol A B. Symbol B C. Symbol C D. Symbol D 2F 2.5 A In diagram 2F-2, which component is a switch? A. 1 B. 2 C. 3 D. 4 2F 3.1 C What is the symbol used on schematic diagrams to represent a fuse? (Please refer to Diagram 2F-3.1) A. Symbol A B. Symbol B C. Symbol C D. Symbol D 2F 4.1 C What is the symbol used on schematic diagrams to represent a single-cell battery? (Please refer to Diagram 2F-4.1) A. Symbol A B. Symbol B C. Symbol C D. Symbol D 2F 4.2 B What is the symbol used on schematic diagrams to represent a multiple-cell battery? (Please refer to Diagram 2F-4.2) A. Symbol A B. Symbol B C. Symbol C D. Symbol D 2F 5.1 D What is the symbol normally used on to represent an earth-ground connection on schematic diagrams? (Please refer to Diagram 2F-5.1) A. Symbol A B. Symbol B C. Symbol C D. Symbol D 2F 5.2 B What is the symbol normally used to represent a chassis-ground connection on schematic diagrams? (Please refer to Diagram 2F-5.2) A. Symbol A B. Symbol B C. Symbol C D. Symbol D 2F 5.3 A In diagram 2F-5, which symbol represents a chassis ground connection? A. 1 B. 2 C. 3 D. 4 2F 5.4 D In diagram 2F-5, which symbol represents an earth ground connection? A. 1 B. 2 C. 3 D. 4 2F 6.1 D What is the symbol used to represent an antenna on schematic diagrams? (Please refer to Diagram 2F-6.1) A. Symbol A B. Symbol B C. Symbol C D. Symbol D 2F 7.1 C What is the symbol used to represent an NPN bipolar transistor on schematic diagrams? (Please refer to Diagram 2F-7.1) A. Symbol A B. Symbol B C. Symbol C D. Symbol D 2F 7.2 A What is the symbol used to represent a PNP bipolar transistor on schematic diagrams? (Please refer to Diagram 2F-7.2) A. Symbol A B. Symbol B C. Symbol C D. Symbol D 2F 7.3 C In diagram 2F-7, which symbol represents a PNP bipolar transistor? A. 1 B. 2 C. 3 D. 4 2F 7.4 B In diagram 2F-7, which symbol represents an NPN bipolar transistor? A. 1 B. 2 C. 3 D. 4 2F 8.1 A What is the symbol used to represent a triode vacuum tube on schematic diagrams? (Please refer to Diagram 2F-8.1) A. Symbol A B. Symbol B C. Symbol C D. Symbol D 2G 1-1.1 B What is the unlabeled block (?) in this diagram? ANTENNA ÀÂÙ FEED LINE-->³ ÚÄÄÄÄÄÄÄÄÄÄÄÄÄ¿ ÚÄÄÄÁÄÄ¿ ÚÄÄÄÄÄÄÄÄÄ¿ ³ ³ ³ ³ ³ DUMMY ³ ³ TRANSMITTER ÃÄÄÄÄ´ ? ÃÄÄÄÄ´ LOAD ³ ÀÄÄÄÄÄÂÄÄÄÄÄÄÄÙ ÀÄÄÄÄÄÄÙ ÀÄÄÄÄÄÄÄÄÄÙ ÚÄÄÄÄÁÄÄÄ¿ ³ POWER ³ ³ SUPPLY ³ ÀÄÄÄÄÄÄÄÄÙ A. A terminal-node controller B. An antenna switch C. A telegraph key D. A TR switch 2G 1-1.2 C What is the unlabeled block (?) in this diagram? ANTENNA ÀÂÙ FEED LINE-->³ ÚÄÄÄÄÄÄÄÄÄÄÄÄÄ¿ ÚÄÄÄÁÄÄ¿ ÚÄÄÄÄÄÄÄÄÄ¿ ³ ³ ³ TR ³ ³ ³ ³ ? ÃÄÄÄÄ´SWITCHÃÄÄÄÄ´RECEIVER ³ ÀÄÄÄÄÄÂÄÄÄÄÄÄÄÙ ÀÄÄÄÄÄÄÙ ÀÄÄÄÄÄÄÄÄÄÙ ÚÄÄÄÄÁÄÄÄ¿ ³ POWER ³ ³ SUPPLY ³ ÀÄÄÄÄÄÄÄÄÙ A. A microphone B. A receiver C. A transmitter D. An SWR meter 2G 1-1.3 D What is the unlabeled block (?) in this diagram? ANTENNA ÀÂÙ FEED LINE-->³ ÚÄÄÄÄÄÄÄÄÄÄÄÄÄ¿ ÚÄÄÄÁÄÄ¿ ÚÄÄÄÄÄÄÄÄÄ¿ ³ ³ ³ TR ³ ³ ³ ³ TRANSMITTER ÃÄÄÄÄ´SWITCH³ÄÄÄÄ´ ? ³ ÀÄÄÄÄÄÂÄÄÄÄÄÄÄÙ ÀÄÄÄÄÄÄÙ ÀÄÄÄÄÄÄÄÄÄÙ ÚÄÄÄÄÁÄÄÄ¿ ³ KEY ³ ÀÄÄÄÄÄÄÄÄÙ A. A key click filter B. An antenna tuner C. A power supply D. A receiver 2G 1-1.4 A What is the unlabeled block (?) in this diagram? ÚÄÄÄÄÄÄÄÄÄÄÄ¿ ÚÄ´ DIPOLE ³ ³ ÀÄÄÄÄÄÂÄÄÄÄÄÙ ÚÄÄÄÄÄÄÄÄÄ¿ ÚÄÄÄÄÄÄÄÄ¿ ÚÄÄÄÄÄÄÄÄÄÄÄÂÄÙ ÚÄÄÄÄÄÁÄÄÄÄÄ¿ ³ ÃÄ´ SWR ÃÄÄÄÄÄ´ ANTENNA ÃÄÄÄ´ BEAM ³ ³ ? ³ ³ BRIDGE ³ ³ SWITCH ÃÄ¿ ÀÄÄÄÄÄÂÄÄÄÄÄÙ ÀÄÄÄÄÄÄÄÄÄÙ ÀÄÄÄÄÄÄÄÄÙ ÀÄÄÄÄÄÄÄÄÄÄÄÙ ³ ÚÄÄÄÄÄÁÄÄÄÄÄ¿ ÀÄ´ DUMMMY ³ ³ LOAD ³ ÀÄÄÄÄÄÄÄÄÄÄÄÙ A. A transceiver B. A TR switch C. An antenna tuner D. A modem 2G 1-1.5 D In block diagram 2G-1, which symbol represents an antenna? ÚÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ¿ ³ Figure 2G-1 ÀÄÅÄÙ 4 ³ ³ ³ ³ ³ ÚÄÄÄ¿ ÚÄÄÄ¿ ÚÄÄÄ¿ ³ ³ ³ ³ 1 ÃÄÄÄ´ 2 ÃÄÄÄ´ 3 ÃÄÄÙ ³ ³ ÀÄÄÄÙ ÀÄÄÄÙ ÀÄÄÄÙ ³ ³ ³ ÀÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÙ A. 1 B. 2 C. 3 D. 4 2G 1-2.1 B What is the unlabeled block (?) in this diagram? ÚÄÄÄÄÄÄÄÄÄÄÄ¿ ÚÄ´ DIPOLE ³ ³ ÀÄÄÄÄÄÂÄÄÄÄÄÙ ÚÄÄÄÄÄÄÄÄÄÄÄÄ¿ ÚÄÄÄÄÄÄÄÄ¿ ÚÄÄÄÄÄÄÄÄÄÄÄÂÄÙ ÚÄÄÄÄÄÁÄÄÄÄÄ¿ ³ ÃÄ´ SWR ÃÄÄÄÄÄ´ ÃÄÄÄ´ BEAM ³ ³TRANSCEIVER ³ ³ BRIDGE ³ ³ ? ÃÄ¿ ÀÄÄÄÄÄÂÄÄÄÄÄÙ ÀÄÄÄÄÄÄÄÄÄÄÄÄÙ ÀÄÄÄÄÄÄÄÄÙ ÀÄÄÄÄÄÄÄÄÄÄÄÙ ³ ÚÄÄÄÄÄÁÄÄÄÄÄ¿ ÀÄ´ DUMMMY ³ ³ LOAD ³ ÀÄÄÄÄÄÄÄÄÄÄÄÙ A. A pi network B. An antenna switch C. A key click filter D. A mixer 2G 1-2.2 A What is the unlabeled block (?) in this diagram? ANTENNA ÀÄÅÄÙ ÚÄÄÄÄÄÄÄÄÄÄ¿ ³<--FEED LINE ³ ANTENNA ÃÄÄÄÙ ÚÄÄÄÄÄÄ´ TUNER ³ ³ ÀÄÄÄÄÄÄÄÄÄÄÙ ÚÄÄÄÁÄÄÄ¿ ³ SWR ³ ³BRIDGE ³ ÀÄÄÄÂÄÄÄÙ ÚÄÄÄÄÄ¿ ÚÄÄÄÄÄÄÄÄÄÄÄÄÄ¿ ÚÄÄÄÁÄÄÄ¿ ÚÄÄÄÄÄÄÄÄÄÄ¿ ³ KEY ÃÄÄÄÄ´ TRANSMITTER ÃÄÄÄ´ ? ÃÄÄÄ´ RECEIVER ³ ÀÄÄÄÄÄÙ ÀÄÄÄÄÄÄÄÄÄÄÄÄÄÙ ÀÄÄÄÄÄÄÄÙ ÀÄÄÄÄÄÄÄÄÄÄÙ A. A TR switch B. A variable frequency oscillator C. A linear amplifier D. A microphone 2G 1-2.3 B What is the unlabeled block (?) in this diagram? ANTENNA ÀÄÅÄÙ ³<--FEED LINE ÚÄÄÄÄÄÄÄÄÄÄÄÄÄ¿ ÚÄÄÄÄÄÄÄÄ¿ ÚÄÄÄÄÄ¿ ³ ³ ÃÄÄÄÄ´ SWR ÃÄÄÄÄ´ ÃÄÄÄÙ ³TRANSCEIVER ³ ³ BRIDGE ³ ³ ? ³ ÀÄÄÄÄÄÄÄÄÄÄÄÄÄÙ ÀÄÄÄÄÄÄÄÄÙ ÀÄÄÄÄÄÙ A. An antenna switch B. An impedance-matching network C. A key click filter D. A terminal-node controller 2G 1-2.4 D In block diagram 2G-1, if component 1 is a transceiver and component 2 is an SWR meter, what is component 3? ÚÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ¿ ³ Figure 2G-1 ÀÄÅÄÙ 4 ³ ³ ³ ³ ³ ÚÄÄÄ¿ ÚÄÄÄ¿ ÚÄÄÄ¿ ³ ³ ³ ³ 1 ÃÄÄÄ´ 2 ÃÄÄÄ´ 3 ÃÄÄÙ ³ ³ ÀÄÄÄÙ ÀÄÄÄÙ ÀÄÄÄÙ ³ ÀÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÙ A. A power supply B. A receiver C. A microphone D. An impedance-matching device 2G 1-2.5 D In block diagram 2G-1, if component 2 is an SWR meter and component 3 is an impedance-matching device, what is component 1? ÚÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ¿ ³ Figure 2G-1 ÀÄÅÄÙ 4 ³ ³ ³ ³ ³ ÚÄÄÄ¿ ÚÄÄÄ¿ ÚÄÄÄ¿ ³ ³ ³ ³ 1 ÃÄÄÄ´ 2 ÃÄÄÄ´ 3 ÃÄÄÙ ³ ³ ÀÄÄÄÙ ÀÄÄÄÙ ÀÄÄÄÙ ³ ÀÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÙ A. A power supply B. An antenna C. An antenna switch D. A transceiver 2G 2.1 B In an Amateur Radio station designed for Morse radiotelegraph operation, what station accessory will you need to go with your transmitter? A. A terminal-node controller B. A telegraph key C. An SWR meter D. An antenna switch 2G 2.2 C What is the unlabeled block (?) in the diagram of a Morse telegraphy station? ANTENNA ÀÄÅÄÙ ³<--FEED LINE ÚÄÄÄÁÄÄÄÄ¿ ³ SWR ³ ³ BRIDGE ³ ÀÄÄÄÂÄÄÄÄÙ ÚÄÄÄÄ¿ ÚÄÄÄÄÄÄÄÄÄÄÄÄÄ¿ ÚÄÄÄÁÄÄÄÄ¿ ÚÄÄÄÄÄÄÄÄÄ¿ ³ ³ ³ ³ ³ TR ³ ³ ³ ³ ? ÃÄÄÄÄ´ TRANSMITTER ÃÄÄÄÄ´ SWITCH ÃÄÄÄÄ´ RECEIVER³ ÀÄÄÄÄÙ ÀÄÄÄÄÄÄÄÄÄÄÄÄÄÙ ÀÄÄÄÄÄÄÄÄÙ ÀÄÄÄÄÄÄÄÄÄÙ A. A sidetone oscillator B. A microphone C. A telegraph key D. A DTMF keypad 2G 2.3 C What station accessory do many amateurs use to help form good Morse code characters? A. A sidetone oscillator B. A key-click filter C. An electronic keyer D. A DTMF keypad 2G 3.1 D In an Amateur Radio station designed for radiotelephone operation, what station accessory will you need to go with your transmitter? A. A splatter filter B. A terminal-voice controller C. A receiver audio filter D. A microphone 2G 3.2 D What is the unlabeled block (?) in this diagram of a radiotelephone station? ANTENNA ÀÄÅÄÙ ³<--FEED LINE ³ ÚÄÄÄ¿ ÚÄÄÄÄÄÄÄÄÄÄÄÄÄ¿ ÚÄÄÄÄÄÄÄ¿ ÚÄÄÄÄÁÄÄÄÄ¿ ÚÄÄÄÄÄÄÄÄ¿ ³ ÃÄÄÄÄ´ ÃÄÄÄÄ´ SWR ÃÄÄÄÄ´ ANTENNA ÃÄÄÄÄ´ DUMMY ³ ³ ? ³ ³ TRANSCEIVER ³ ³ METER ³ ³ SWITCH ³ ³ LOAD ³ ÀÄÄÄÙ ÀÄÄÄÄÄÄÄÄÄÄÄÄÄÙ ÀÄÄÄÄÄÄÄÙ ÀÄÄÄÄÄÄÄÄÄÙ ÀÄÄÄÄÄÄÄÄÙ A. A splatter filter B. A terminal-voice controller C. A receiver audio filter D. A microphone 2G 4.1 A In an Amateur Radio station designed for radioteletype operation, what station accessories will you need to go with your transmission? A. A modem and a teleprinter or computer system B. A computer, a printer and a RTTY refresh unit C. A terminal-node controller D. A modem, a monitor and a DTMF keypad 2G 4.2 C What is the unlabeled block (?) in this diagram? ANTENNA ÀÄÅÄÙ ³ ÚÄÄÄÄÄÄÄÄÄÄ¿ ÚÄÄÄÄÄ¿ ÚÄÄÄÄÄÄÄÄÄÄÄÄÄÄ¿ ³<--FEED LINE ³ COMPUTER ³ ³ ³ ³ ³ ³ ³ SYSTEM ÃÄÄÄÄ´ ? ÃÄÄÄÄ´ TRANSCEIVER ÃÄÄÄÙ ÀÄÄÄÄÄÄÄÄÄÄÙ ÀÄÄÄÄÄÙ ÀÄÄÄÄÄÄÄÄÄÄÄÄÄÄÙ A. An RS-232 interface B. SWR bridge C. Modem D. Terminal-network controller 2G 5.1 A In a packet-radio station, what device connects between the radio transceiver and the computer terminal? A. A terminal-node controller B. An RS-232 interface C. A terminal refresh unit D. A tactical network control system 2G 5.2 A What is the unlabeled block (?) in this diagram of a packet-radio station? ANTENNA ÀÄÅÄÙ ³ ÚÄÄÄÄÄÄÄÄÄÄ¿ ÚÄÄÄÄÄ¿ ÚÄÄÄÄÄÄÄÄÄÄÄÄÄÄ¿ ³<--FEED LINE ³ COMPUTER ³ ³ ³ ³ ³ ³ ³ SYSTEM ÃÄÄÄÄ´ ? ÃÄÄÄÄ´ TRANSCEIVER ÃÄÄÄÙ ÀÄÄÄÄÄÄÄÄÄÄÙ ÀÄÄÄÄÄÙ ÀÄÄÄÄÄÄÄÄÄÄÄÄÄÄÙ A. A terminal-node controller B. An RS-232 interface C. A terminal refresh unit D. A tactical network control system 2G 5.3 C Where does a terminal-node controller connect in an amateur packet-radio station? A. Between the antenna and the radio B. Between the computer and the monitor C. Between the computer or terminal and the radio D. Between the keyboard and the computer 2H 1-1.1 B What keying method is used to transmit CW? A. Frequency-shift keying of a radio-frequency signal B. On/off keying a a radio-frequency signal C. Audio-frequency-shift keying of an oscillator tone D. On/off keying of an audio-frequency signal 2H 1-1.2 C What emission type describes international Morse code telegraphy messages? A. RTTY B. Image C. CW D. Phone 2H 1-2.1 A What emission type describes narrow-band direct-printing telegraphy emissions? A. RTTY B. Image C. CW D. Phone 2H 1-2.2 A What keying method is used to transmit RTTY messages? A. Frequency-shift keying of a radio-frequency signal B. On/off keying of the radio-frequency signal C. Digital pulse-code keying of an unmodulated carrier D. On/off keying of an audio-frequency signal 2H 1-3.1 A What emission type describes frequency-modulated voice transmissions? A. FM phone B. Image C. CW D. Single-sideband phone 2H 1-4.1 D What emission designator describes single-sideband suppressed-carrier (SSB) voice transmissions? A. FM phone B. Image C. CW D. Sideband phone 2H 2.1 B What does the term key click mean? A. The mechanical noise caused by closing a straight key too hard B. The clicking noise from an excessively square CW keyed waveform C. The sound produced in a receiver from a CW signal faster the 20 WPM D. The sound of a CW signal being copied on an AM receiver 2H 2.2 D How can key clicks be eliminated? A. By reducing your keying speed to less than 20 WPM B. By increasing power to the maximum allowable level C. By using a power supply with better regulation D. By using a key click filter 2H 3.1 C What does the term chirp mean? A. A distortion in the receiver audio circuits B. A high-pitched audio tone transmitted with a CW signal C. A slight shift in oscillator frequency each time a CW transmitter is keyed D. A slow change in transmitter frequency as the circuit warms up 2H 3.2 B What can be done to a power supply of CW transmitter to avoid chirp? A. Resonate the power supply filters B. Regulate the power supply output voltages C. Use a buffer amplifier between the transmitter output and the feed line D. Hold the power supply current to a fixed value 2H 4.1 D What is a common cause of superimposed hum? A. Using a nonresonant random-wire antenna B. Sympathetic vibrations from a nearby transmitter C. Improper neutralization of the transmitter output stage D. A defective filter capacitor in the power supply 2H 4.2 B What types of problem can a bad power-supply filter capacitor cause in a transmitter or receiver? A. Sympathetic vibrations in nearby receivers B. A superimposed hum or buzzing sound C. Extreme changes in antenna resonance D. Imbalance in the mixers 2H 5.1 A What is the 4th harmonic of a 7160-kHz signal? A. 28,640 kHz B. 35,800 kHz C. 28,160 kHz D. 1790 kHz 2H 5.2 C You receive an FCC Notice of Violation stating that your station was heard on 21.375 kHz. At the time listed on the notice, you were operating on 7125 kHz. What is a possible cause of this violation? A. Your transmitter has a defective power-supply filter capacitor B. Your CW keying speed was excessively fast C. Your transmitter was radiating excess harmonic signals D. Your transmitter has a defective power-supply filter choke 2H 6.1 A What may happen to body tissues that are exposed to large amounts of UHF or microwave RF energy? A. The tissue may be damaged because of the heat produced B. The tissue may suddenly be frozen C. The tissue may be immediately destroyed because of the Maxwell Effect D. The tissue may become less resistant to cosmic radiation 2H 6.2 C What precaution should you take before working near a high-gain UHF or microwave Antenna (such as a parabolic or dish antenna)? A. Be certain the antenna is FCC type approved B. Be certain the antenna and transmitter are properly grounded C. Be certain the transmitter cannot be operated D. Be certain the antenna safety interlocks are in place 2H 6.3 A You are installing a VHF or UHF mobile radio in your vehicle. What is the best location to mount the antenna on the vehicle to minimize any danger from RF exposure to the driver or passengers? A. In the middle of the roof B. Along the top of the windshield C. On either front fender D. On the trunk lid 2H 7.1 C You discover that your tube-type transmitter power amplifier is radiating spurious emissions. What is the most like cause of this problem? A. Excessively fast keying speed B. Undermodulation C. Improper neutralization D. Tank-circuit current dip at resonance 2H 7.2 D Your transmitter radiates signals outside the amateur band where you are transmitting. What term describes this radiation? A. Off-frequency emissions B. Transmitter chirp C. Incidental radiation D. Spurious emissions 2H 7.3 A What problem can occur if you operate your transmitter without the cover and other shielding in place? A. Your transmitter can radiate spurious emissions B. Your transmitter may radiate a "chirpy" signal C. The final amplifier efficiency of your transmitter may decrease D. You may cause splatter interference to other stations operating on nearby frequencies 2H 7.4 B What type of interference will you cause if you operate your SSB transmitter with the microphone gain adjusted too high? A. You may cause digital interference to computer equipment in your neighborhood B. You may cause splatter interference to other stations on nearby frequencies C. You may cause atmospheric interference in the air around your antenna D. You may cause processor interference to the microprocessor in your rig 2H 7.5 B What may happen if you adjust the microphone gain or deviation control on your FM transmitter too high? A. You may cause digital interference to computer equipment in your neighborhood B. You may cause interference to other stations on nearby frequencies C. You may cause atmospheric interference in the air around your antenna D. You may cause processor interference to the microprocessor in your rig 2H 7.6 B What type of interference can excessive amounts of speech processing in your SSB transmitter cause? A. You may cause digital interference to computer equipment in your neighborhood B. You may cause splatter interference to other stations on nearby frequencies C. You may cause atmospheric interference in the air around your antenna D. You may cause processor interference to the microprocessor in your rig 2I 1.1 A What is the approximate length (in feet) of a half-wavelength dipole antenna for 3725 kHz? A. 126 ft B. 81 ft C. 63 ft D. 40 ft 2I 1.2 D What is the approximate length (in feet) of a half-wavelength dipole antenna for 7125 kHz? A. 84 ft B. 42 ft C. 33 ft D. 66 ft 2I 1.3 C What is the approximate length (in feet) of a half-wavelength dipole antenna for 21,125 kHz? A. 44 ft B. 28 ft C. 22 ft D. 14 ft 2I 1.4 C What is the approximate length (in feet) of a half-wavelength dipole antenna for 28,150 kHz? A. 22 ft B. 11 ft C. 17 ft D. 34 ft 2I 1.5 D How is the approximate length (in feet) of a half-wave dipole antenna calculated? A. By substituting the desired operating frequency for f in the formula : 150/f (MHz) B. By substituting the desired operating frequency for f in the formula : 234/f (MHz) C. By substituting the desired operating frequency for f in the formula : 300/f (MHz) D. By substituting the desired operating frequency for f in the formula : 468/f (MHz) 2I 2.1 D What is the approximate length (in feet) of a quarter-wavelength vertical antenna for 3725 kHz? A. 20 ft B. 32 ft C. 40 ft D. 63 ft 2I 2.2 D What is the approximate length (in feet) of a quarter-wavelength vertical antenna for 7125 kHz? A. 11 ft B. 16 ft C. 21 ft D. 33 ft 2I 2.3 B What is the approximate length (in feet) of a quarter-wavelength vertical antenna for 21,125 kHz? A. 7 ft B. 11 ft C. 14 ft D. 22 ft 2I 2.4 B What is the approximate length (in feet) of a quarter-wavelength vertical antenna for 28,150 kHz? A. 5 ft B. 8 ft C. 11 ft D. 16 ft 2I 2.5 A When a vertical antenna is lengthened, what happens to its resonant frequency? A. It decreases B. It increases C. It stays the same D. It doubles 2I 3.1 B Why do many amateurs use a 5/8 wavelength vertical antenna rather that a 1/4 wavelength antenna for their VHF of UHF mobile stations? A. A 5/8 wavelength antenna can handle more power than a 1/4 wavelength antenna B. A 5/8 wavelength antenna has more gain than a 1/4 wavelength antenna C. A 5/8 wavelength antenna exhibits less corona loss than a 1/4 wavelength antenna D. A 5/8 wavelength antenna looks more like a CB antenna, so it does not attract as much attention as a 1/4 wavelength antenna 2I 3.2 C What type of radiation pattern is produced by a 5/8-wavelength vertical antenna? A. A pattern with most of the transmitted signal concentrated in two opposite directions B. A pattern with the transmitted signal going equally in all compass directions, with most of the radiation going high above the horizon C. A pattern with the transmitted signal going equally in all compass directions, with most of the radiation going close to the horizon D. A pattern with more of the transmitted signal concentrated in one direction than in other directions 2I 4-1.1 D What type of antenna produces a radiation pattern with more of the transmitted signal concentrated in particular direction than in other directions? A. A dipole antenna B. A vertical antenna C. An isotropic antenna D. A beam antenna 2I 4-1.2 B What type of radiation pattern is produced by a Yagi antenna? A. A pattern with the transmitted signed spread out equally in all compass directions B. A pattern with more the transmitted signal concentrated in one direction than in other directions C. A pattern with most of the transmitted signal concentrated in two opposite directions D. A pattern with most of the transmitted concentrated at high radiation angles 2I 4-1.3 C Approximately how long (in wavelengths) is the driven element of a Yagi antenna? A. 1/4 wavelength B 1/3 wavelength C. 1/2 wavelength D. 1 wavelength 2I 4-2.1 D On the yagi antenna shown in Figure 2I-4, what is the name of section B? ÚÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ¿ ³ ³ ³ ³ C ³B ³A ³ FIGURE 2I-4 ³ ³ ³ ³ ³ ³ ÅÄÄÄÄÄÄÄÄÄÄÄÄÅÂÄÄÄÄÄÄÄÄÄÄÄÅ ³ ³ ³ ³³<-feed ³ ³ ³ ³ line ³ ³ ³ ³ ³ ÀÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÙ A. Director B. Reflector C. Boom D. Driven element 2I 4-2.2 A On the yagi antenna shown in Figure 2I-4, what is the name of section C? ÚÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ¿ ³ ³ ³ ³ C ³B ³A ³ FIGURE 2I-4 ³ ³ ³ ³ ³ ³ ÅÄÄÄÄÄÄÄÄÄÄÄÄÅÂÄÄÄÄÄÄÄÄÄÄÄÅ ³ ³ ³ ³³<-feed ³ ³ ³ ³ line ³ ³ ³ ³ ³ ÀÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÙ A. Director B. Reflector C. Boom D. Driven element 2I 4-2.3 B On the yagi antenna shown in Figure 2I-4, what is the name of section A? ÚÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ¿ ³ ³ ³ ³ C ³B ³A ³ FIGURE 2I-4 ³ ³ ³ ³ ³ ³ ÅÄÄÄÄÄÄÄÄÄÄÄÄÅÂÄÄÄÄÄÄÄÄÄÄÄÅ ³ ³ ³ ³³<-feed ³ ³ ³ ³ line ³ ³ ³ ³ ³ ÀÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÙ A. Director B. Reflector C. Boom D. Driven element 2I 4-2.4 A What are the names of the elements in a 3-element Yagi antenna? A. Reflector, driven element and director B. Boom, mast and reflector C. Reflector, base and radiator D. Driven element, trap and feed line 2I 5.1 A How should the antenna on a hand-held transceiver be positioned while you are transmitting? A. Away from your head and away from others standing nearby B. Pointed in the general direction of the repeater or other station you are transmitting to C. Pointed in a general direction 90 degrees away from the repeater or other station you are transmitting to D. With the top of the antenna angled down slightly to take the most advantage of ground reflections 2I 5.2 B Why should you always locate your antennas so that no one can come in contact with them while you are transmitting? A. Such contact can detune the antenna, causing television interference B. To prevent RF burns and excessive exposure to RF energy C. The antenna is more likely to radiate harmonics when it is touched D. Such contact may reflect the transmitted signal back to the transmitter, damaging the final amplifier 2I 5.2 C You are going to purchase a new antenna for your VHF or UHF hand-held radio. Which type of antenna is the best choice to produce a radiation pattern that will be least hazardous to your face and eyes? A. A 1/8-wavelength whip B. A 7/8-wavelength whip C. A 1/2-wavelength whip D. A short, helically wound, flexible antenna 2I 6.1 D What is a coaxial cable? A. Two parallel conductors encased along the edges of a flat plastic ribbon B. Two parallel conductors held at a fixed distance from each other by insulating rods C. Two conductors twisted around each other in a double spiral D. A center conductor encased in insulating material which is covered by a conducting sleeve or shield 2I 6.2 B What kind of antenna feed line is constructed of a center conductor encased in insulation which is then covered by an outer conducting shield weatherproof jacket? A. Twin lead B. Coaxial cable C. Open-wire feed line D. Wave guide 2I 6.3 B What are some advantages in using coaxial cable as an antenna feed line? A. It is easy to make at home, and it has a characteristic impedance in the range of most common amateur antennas B. It is weatherproof, and it has a characteristic impedance in the range of most common amateur antennas C. It can be operated at a higher SWR than twin lead, and is weatherproof D. It is unaffected by nearby metallic objects, and has a characteristic impedance that is higher than twin lead 2I 6.4 B What commonly available antenna feed line can be buried directly in the ground for some distance without adverse effects? A. Twin lead B. Coaxial cable C. Parallel conductor D. Twisted pair 2I 6.5 C When an antenna feed line must be located near grounded metal objects, which commonly available feed line should be used? A. Twisted pair B. Twin lead C. Coaxial cable D. Ladder line 2I 7.1 B What is parallel conductor feed line? A. Two conductors twisted around each other in a double spiral B. Two parallel conductors held a uniform distance apart by insulating material C. A conductor encased in insulating material which is then covered by a conducting shield and a weatherproof jacket D. A metallic pipe whose diameter is equal to or slightly greater than the wavelength of the signal being carried 2I 7.2 C How can TV-type twin lead be used as a feed line? A. By carefully running the feed line parallel to a metal post to ensure self resonance B. TV-type twin lead can not be used in an Amateur Radio station C. By installing an impedance-matching network between the transmitter and the feed line D. By using a high-power amplifier and installing a power attenuator between the transmitter and feed line 2I 7.3 D What are some advantages of using parallel-conductor feed line? A. It has a lower characteristic impedance than coaxial cable and will operate at a higher SWR than coaxial cable B. It will operate at a higher SWR than coaxial cable and it is unaffected by nearby metal objects C. It has a lower characteristic impedance than coaxial cable and has less loss than coaxial cable D. It will operate at a higher SWR than coaxial cable and has less loss than coaxial cable 2I 7.4 A What are some disadvantages in using parallel-conductor feed line? A. It is affected by nearby metallic objects and it has a characteristic impedance that is too high for direct connection to most amateur transmitters B. It is more difficult to make at home than coaxial cable and it can not be operated at high SWR C. It is affected by nearby metallic objects and it can not handle the power output of typical amateur transmitters D. It has a characteristic impedance that is too high for direct connection to most amateur transmitters and it will operate at high SWR 2I 7.5 B What kind of antenna feed line is constructed of two parallel conductors maintained a uniform distance apart by insulated spreaders? A. Coaxial cable B. Ladder-line open conductor line C. Twin lead in a plastic ribbon D. Twisted pair 2I 8.1 C A certain antenna system has a feed-point impedance of 35 ohms. You want to use a 50-ohm-impedance coaxial cable to feed this antenna. What type of device will you need to connect between the antenna and the feed line? A. A balun B. An SWR bridge C. An impedance-matching device D. A low-pass filter 2I 8.2 C A certain antenna system has an impedance of 1000 ohms on one band. What must you use to connect this antenna system to the 50-ohm output on your transmitter? A. A balun B. An SWR bridge C. An impedance-matching device D. A low-pass filter 2I 9.1 D The word balun is a contraction for what phrase? A. Balanced-antenna-lobe use network B. Broadband-amplifier linearly unregulated C. Balanced unmodulator D. Balanced to unbalanced 2I 9.2 A Where would you install a balun if your wanted to feed your dipole antenna with 450-ohm parallel-conductor feed line? A. At the transmitter end of the feed line B. At the antenna feed point C. In only one conductor of the feed line D. From one conductor of the feel line to ground 2I 9.3 A Where might you install a balun if you wanted to feed your dipole antenna with 50-ohm coaxial cable? A. You might install a balun at the antenna feedpoint B. You might install a balun at the transmitter output C. You might install a balun 1/2 wavelength from the transmitter D. You might install baluns in the middle of each side of the dipole 2I 10-1.1 C A four-element Yagi antenna is mounted with it elements parallel to the ground. A signal produced by this antenna will have what type of polarization? A. Broadside polarization B. Circular polarization C. Horizontal polarization D. Vertical polarization 2I 11-1.1 D A four-element Yagi antenna is mounted with it elements perpendicular to the ground. A signal produced by this antenna will have what type of polarization? A. Broadside polarization B. Circular polarization C. Horizontal polarization D. Vertical polarization