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1993-03-09
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287 lines
064B-6.2 B 2-12 3,000 Hz
When selecting a single-sideband phone transmitting frequency,
what is the minimum frequency separation from a QSO in progress
that should be allowed in order to minimize interference?
A. 150 to 500 Hz between suppressed carriers
B. Approximately 3 kHz between suppressed carriers
C. Approximately 6 kHz between suppressed carriers
D. Approximately 10 kHz between suppressed carriers
*
065B-6.3 B 2-12 .25 to .50 kHz
When selecting a RTTY transmitting frequency, what is the
minimum frequency separation from a QSO in progress that
should be allowed in order to minimize interference?
A. Approximately 45 Hz center to center
B. Approximately 250 to 500 Hz center to center
C. Approximately 3 kHz center to center
D. Approximately 6 kHz center to center
*
066B-7.1 B 2-15 A map that shows the direction to|point your antenna and it is most|useful if centered at your QTH
What is an azimuthal map?
A. A map projection that is always centered on the North Pole
B. A map projection, centered on a particular location, that
determines the shortest path between two points on the
surface of the earth
C. A map that shows the angle at which an amateur satellite
crosses the equator
D. A map that shows the number of degrees longitude that an
amateur satellite appears to move westward at the equator
with each orbit
*
067B-7.2 A 2-15 An azimuthal map is used to determine|the proper beam heading
How can an azimuthal map be helpful in conducting international
HF radio communications?
A. It is used to determine the proper beam heading for the
shortest path to a DX station
B. It is used to determine the most efficient transmitting antenna
height to conduct the desired communication
C. It is used to determine the angle at which an amateur satellite
crosses the equator
D. It is used to determine the maximum usable frequency (MUF)
*
068B-7.3 A 2-15 An azimuthal map is used to determine|the proper beam heading
What is the most useful type of map when orienting a directional
antenna toward a station 5,000 miles distant?
A. Azimuthal
B. Mercator
C. Polar projection
D. Topographical
*
069B-7.4 C 2-13 180°
A directional antenna pointed in the long-path direction
to another station is generally oriented how many degrees
from the short-path heading?
A. 45 degrees
B. 90 degrees
C. 180 degrees
D. 270 degrees
*
070B-7.5 C 2-13 North is 0° and south is 180°
What is the short-path heading to Antarctica?
A. Approximately 0 degrees
B. Approximately 90 degrees
C. Approximately 180 degrees
D. Approximately 270 degrees
*
071B-8.1 C 2-12 Chewing the fat, ie. remarks of a|technical nature or remarks of a |personal nature
When permitted, transmissions to amateur stations in another
country must be limited to only what type of messages?
A. Messages of any type are permitted
B. Messages that compete with public telecommunications
services
C. Messages of a technical nature or remarks of a personal
character of relative unimportance
D. Such transmissions are never permitted
*
072B-8.2 B 2-13 All US states are in 2
In which International Telecommunication Union Region
is the continental United States?
A. Region 1
B. Region 2
C. Region 3
D. Region 4
*
073B-8.3 B 2-13 All US states are in 2
In which International Telecommunication Union Region
is Alaska?
A. Region 1
B. Region 2
C. Region 3
D. Region 4
*
074B-8.4 C 2-13 Most Pacific islands are in 3|All US states are in 2
In which International Telecommunication Union Region
is American Samoa?
A. Region 1
B. Region 2
C. Region 3
D. Region 4
*
075B-8.5 C 2-15 Coordinated Universal Time called UTC |or Zulu by the military and was called|GMT ie. Greenwich Mean Time
For uniformity in international radio communication,
what time measurement standard should Amateur Radio
operators worldwide use?
A. Eastern Standard Time
B. Uniform Calibrated Time
C. Coordinated Universal Time
D. Universal Time Control
*
076B-8.6 B 2-13 Most Pacific islands are in 3|All US states are in 2
In which International Telecommunication Union Region
is Hawaii?
A. Region 1
B. Region 2
C. Region 3
D. Region 4
*
077B-8.7 C 2-13 Most Pacific islands are in 3|All US states are in 2
In which International Telecommunication Union Region are the
Northern Mariana Islands?
A. Region 1
B. Region 2
C. Region 3
D. Region 4
*
078B-8.8 C 2-13 Most Pacific islands are in 3|All US states are in 2
In which International Telecommunication Union Region
is Guam?
A. Region 1
B. Region 2
C. Region 3
D. Region 4
*
079B-8.9 C 2-13 Most Pacific islands are in 3|All US states are in 2
In which International Telecommunication Union Region
is Wake Island?
A. Region 1
B. Region 2
C. Region 3
D. Region 4
*
080B-10.1 A 2-17 Amateur Volunteers who monitor|the bands
What is the Amateur Auxiliary to the FCC's Field Operations
Bureau?
A. Amateur Volunteers formally enlisted to monitor the airwaves
for rules violations
B. Amateur Volunteers who conduct Amateur Radio licensing
examinations
C. Amateur Volunteers who conduct frequency coordination for
amateur VHF repeaters
D. Amateur Volunteers who determine height above average terrain
measurements for repeater installations
*
081B-10.2 B 2-17 Foster amateur self-regulation
What are the objectives of the Amateur Auxiliary to the FCC's
Field Operations Bureau?
A. To enforce amateur self-regulation and compliance with the
rules
B. To foster amateur self-regulation and compliance with the
rules
C. To promote efficient and orderly spectrum usage in the
repeater subbands
D. To provide emergency and public safety communications
*
082C-1.6 C 3-3 CA to HI
What is the maximum distance along the earth's surface that
can normally be covered in one hop using the F2 layer?
A. Approximately 180 miles
B. Approximately 1200 miles
C. Approximately 2500 miles
D. No distance. This layer does not support radio communication
*
083C-1.7 B 3-3 1200 miles
What is the maximum distance along the earth's surface that can
be covered in one hop using the E layer?
A. Approximately 180 miles
B. Approximately 1200 miles
C. Approximately 2500 miles
D. No distance. This layer does not support radio communication
*
084C-1.9 B 3-3 70 miles
What is the average height of maximum ionization of
the E layer?
A. 45 miles
B. 70 miles
C. 200 miles
D. 1200 miles
*
085C-1.10 A 3-3 When it usually hottest because the|sun provides the energy that causes|both the ionization and the warming
During what part of the day, and in what season of the year
can the F2 layer be expected to reach its maximum height?
A. At noon during the summer
B. At midnight during the summer
C. At dusk in the spring and fall
D. At noon during the winter
*
086C-1.13 D 3-5 Highest angle that will return|a radio wave to earth
What is the critical angle, as used in radio wave propagation?
A. The lowest take off angle that will return a radio wave to
earth under specific ionospheric conditions
B. The compass direction of the desired DX station from your
location
C. The 180-degree-inverted compass direction of the desired DX
station from your location
D. The highest take off angle that will return a radio wave to
earth during specific ionospheric conditions
*
087C-2.3 C 3-3 Absorption by the "D"own low Layer
What is the main reason that the 160-, 80-, and 40-meter
wavelength amateur bands tend to be useful for only short-
distance communications during daylight hours?
A. Because of a lack of activity
B. Because of auroral propagation
C. Because of D-layer absorption
D. Because of magnetic flux
*
088C-2.4 C 3-3 Absorption by the "D"own low Layer
What is the principal reason the 160-meter through
40-meter wavelength bands are useful for only short-
distance radio communications during daylight hours?
A. F-layer bending
B. Gamma radiation
C. D-layer absorption
D. Tropospheric ducting
*
089C-3.3 B 3-5 Next below MUF
If the maximum usable frequency on the path from Minnesota
to Africa is 22-MHz, which band should offer the best chance
for a successful QSO?
A. 10 meters
B. 15 meters
C. 20 meters
D. 40 meters
*
090C-3.4 C 3-5 Next below MUF
If the maximum usable frequency on the path from Ohio to
West Germany is 17-MHz, which band should offer the best
chance for a successful QSO?
A. 80 meters
B. 40 meters
C. 20 meters
D. 2 meters
*
091C-5.1 B 3-7 Few minutes to a few hours
Over what periods of time do sudden ionospheric disturbances
normally last?
A. The entire day
B. A few minutes to a few hours
C. A few hours to a few days
D. Approximately one week
*
092C-5.2 A 3-7 Try a higher frequency
What can be done at an amateur station to continue radio
communications during a sudden ionospheric disturbance?
A. Try a higher frequency
B. Try the other sideband
C. Try a different antenna polarization
D. Try a different frequency shift
*
093C-5.3 B 3-7 Disrupts lower frequencies
What effect does a sudden ionospheric disturbance have on the
daylight ionospheric propagation of HF radio waves?
A. Disrupts higher-latitude paths more than lower-latitude paths
B. Disrupts transmissions on lower frequencies more than those
on higher frequencies
C. Disrupts communications via satellite more than direct
communications
D. None. Only dark (as in nighttime) areas of the globe are
affected
*
094C-5.4 C 3-6 Eight minutes
How long does it take a solar disturbance that increases the sun's
ultraviolet radiation to cause ionospheric disturbances on earth?
A. Instantaneously
B. 1.5 seconds
C. 8 minutes
D. 20 to 40 hours
*
095C-5.5 A 3-6 "D"own low Layer
Sudden ionospheric disturbances cause increased radio wave
absorption in which layer of the ionosphere?
A. D layer
B. E layer
C. F1 layer
D. F2 layer
*