Libris Britannia 4

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Text File | 1993-03-09 | 16KB | 1,784 lines

"CQ" "MAYDAY" "SOS" (FCC) (or - 0.5 1 1.25-meter 10 10-meter 100 100-ohm 1000 12 120 144.0 148.0 150 1500 2 20 200 21.1 21.2 222 23 25 250 28.1 3 3-30 30 300 33 4 40 400 4000 5 50 500 6 610 7 70 80 80-meter 9 90 A AC AM CW D DTMF FCC FCC's FM HF ITU MHz N NOT PA PEP Q QSL RF RST RTTY SSB SWR UHF US VHF a a. able about above accurate added address adjustments advance advanced after agency agreement aimed air all allow allowed allows along amateur amateurs ammeter amount ampere ampere's amperes amplifier an and another answer antenna antenna's antennas any anyone anywhere apart applied are area as at atmosphere atmospheric audio authorization authorized autopatch auxiliary available average away b. back balanced balun band bands basic batteries battery be beacon because become been before beginning being below besides best better between block blocks body both bottom brief broadcasts building business but by c. cabinet cable calculate call called calling calls can cannot capacitance capacitor car carrier case cause caused causing center centimeters certificate change changed changes charges chassis check choice circuit circumstances civil class close closed club coaxial code color come commercial commission common communicate communication communications complete completion component conditions conduct conductor conductors connect connected connection connectors contact contacting contacts contests continue control controller conversation coordinator copper cord correct could countries country craft current cut cycle d. damage dangerous data day decreases delivery desired deviation device dial different digital dipole direct direction directions director disappears distance distances distant distortion distress divided do document does done down driven dummy during each earth earth's easily ectosphere effect either electric electrical electricity electrolytic electronics electrons element elements emergencies emergency emission emissions end energy english enough equally equipment even every examination except exposure extra eyes facilitate farad farther fast fastest federal feed feet field figure fill filter filters find first five fixed flow followed following for force foreign form formula four fourth frequencies frequency from full fundamental fuse fuses gain general get gets getting gettysburg give gives goes going good goodwill government greater ground ground-wave half half-wavelength hand happen happens harmful harmonic has have heard heat heavy held help high high-pass high-voltage higher highest hold home horizontal horizontally hour hours how human humans identification identify if image immediate immediately impedance important improve in increase increases increasing inductance information input inside install installed instead insulated insulating interference international into ionization ionized ionosphere ionospheric iron is it its join just kHz keep key keyboard keyed keying kind kinds kirchhoff's know known large law learn least length less let lets license licensee licenses life lightning limits line line-of-sight lines list listen listening little load local located location locations long longer longest looking loss lost louder low low-pass lower lowest made main make makes making many mark match material may mean meaning means meant measure member message messages metal meter meters microphone microwave might milliwatts minimum minutes mobile model modulation monitor more morse most much multiplied must name national near nearby nearest necessary need needed needs negative net never new no non-amateur normal normally north not nothing notify novice number occur occurs of off office often ohm ohm's ohms on on/off once one one-way only open opened operate operating operation operator operator/primary operators opposite or organization oscillator other others out outlet output outside over own packet packet-radio paid paper parallel parasitic part party pass passing per perfectly period permitted person phone place plastic point poor porcelain portable position positive possible potentiometer power practice pressure prevent primary private privileges probably produces progress proof propagation proper properly protection providing public public-service pulse purpose purposes quality radiation radio radio-frequency range rate ratio reach reached reactance readable reading readings reason receive received receiver receiver's receives receiving reception red reduce reference reflected region regions regulated regulations relative repairs repeater repeaters report reports request required requirements requires resistance resistor resonance resonant responsible result retransmit retransmitted returned right rule rules safety same say selected send sending sends sent service set several severe shield shielding shock short shorter shortest shortwave should shout show showing side sideband sign signal signal's signals signs silver simplex single-sideband six size skip sky-wave slowly small smaller so solar some someone something sometimes sound sounds space special special; speech speed splatter spurious stable standard standards start static station station's stations stays stop straight strength strong successful such supply suppression sure surface switch switches symbol system systems tactical take talking technician technicians telecommand telecommunication telegraphy ten term terminal terminals tesla's test testing tests than that the their them then there thermal these they third third-party this those three through tied time times to told tone too top touch tower transceiver transmission transmissions transmit transmits transmitted transmitter transmitter's transmitters transmitting travel traveling troposphere tropospheric tune tuned turn twice two two-way type types unbalanced under understood union unit unlicensed unmodulated until up upon upper-sideband use used users uses using usual usually value variable vertical very violation voice volt voltage voltages voltmeter volts volume wait wall want wanted watch watt watts wave wavelength waves way weak weather well what when where whether which while white who why wide wider will wire wires wiring with within without won't word words work works would written wrong yagi years you your zone input/output port function performed desk manual renew washington DC changing renewing "grace period" expired 10-year grace passed 7.1 7.2 14.1 14.2 29.2 authorize 52.525 146.52 223.50 446.0 addition (Elements 3A) needed; intend attend (either 1A 1B 1C) prove notified instructor attended having measured final itself supplied crest envelope peak maximum secondary user equal rights overcome assigned basis causes action regional engineer charge attempt frequencies; applies lesser yield always regardless MCW 6-meter 50.0 54.0 50.1 51.0 52.0 2-meter 144.1 146.0 147.0 ERP satellite (CSCE) 146.34 suitable denotes slant identifier "KT" arrives VE obtained CSCE shift 0.1 bauds whichever specify 1200 19.6 kilobauds 56 28 bandwidth multiplexed unspecified total shall exceed 450 cm observation automatic 13 minute limitation language identifying suggest aid compressor phonetic alphabet unique recommended resolving unrecommended licensees recently primarily label affixed (control) licensee's labeled milliwatt broadcasting intended relayed retransmission programs content telecommands payment agreed donation obscene never; prohibited unwritten among indecent profane shuttle associated approval (EIC) aeronautics administration department defense speaks qualified continuously supervise party's participation disaster disrupts meet essential relief actions affected compensation program production newsgathering included declaration temporary state organizations observed schedule "break break 79," "CQ," pause briefly pencil wanting repeater's see still awake non-hams chance respond break!" you're eager override whoever bill else's low-power extend usable observing stores miles "time out" runs someone's hot stops circuitry cools commuting rush discouraged highway traffic nets courtesy (used operations) indicate waiting activate of: "Your quieting..." noise S-meter reads say: five..." quieting try imitate separation 600 1.0 1.6 5.0 70-centimeter minimize capable propagated locally ask write condition on-the-air minimized lengthy loading procedure choose unoccupied non-resonant loading-up QTH increased toll avoided unnecessarily effectiveness tested clearly ruin practical organizes assembly provides advice buy whose group recommends usage QRV QRU QRL QRZ "QSY" faster "QSO" confirmed ending QRT seven..." moderately considerable difficulty pure three..." serial thirty-three latitude degrees unreadable nine plus dB..." factor repeat decibels linearity signal-strength "HELP" "EMERGENCY" MAYDAY QRRR SOS interrupt "BREAK" takes "SOS," register participate RACES drills racing week eight drill official "command post" "weather center" informed efficient coordinate concerning person's well-being routine formal health welfare idea provide comply accessory sets charged headset hands-free three-element quad parabolic dish outer ions free exist propagate masses temperature humidity path struck long-distance bending stratosphere magnetosphere ionizing release fluorocarbons particle ultraviolet daytime E F1 F2 closest F affects useful mainly sub-regions electrostatic electromagnetic combine night E1 E2 absorbing absorption ducting enter inversion lower-frequency absorbs bends refracts absorb presence clouds splitting sunrise attenuation dusk midnight midday dawn shortly noon critical absorbed source vary winds upper sun destination other's certain scatter-mode distorted occurring scatter visible horizon sky plane geometric garbles reverses aurora hundred oceans polar mass widespread overcast cirriform high-pressure SW MF LF unstable low-pressure series periods rainfall long-range absence 500-600 green three-wire "hot" black red) transformer's winding almost city proceedings IEEE transceiver's retaining screw brass colored corrosion polarity skin flowing fatal 1/10 approximately organ fatally heart brain liver lungs painful 1/500 2000 kill sight seen switch-operated precaution leaning shoes loose jewelry face produced sharp edges snag clothing box door placed front shut warn discover burned run CPR drag few quadrature phase adding reduced multimeter wattmeter connector one-half wattmeters directional forward pattern heating actual 96 88 92 marker generator high-stability generates exact intervals low-stability "sweeps" inject produce amplitudes calibrate tuning amplitude calibration calibrated oscilloscope wavemeter crystal calibrator WWV WWVH sweep accuracy popular low-level reflectometer measuring aligning circuits adjusting impedance-matching networks impedances mismatch field-strength midpoint calibrates scale 4.5 nondirectional nonradiating measurements flexible transceivers wire-wound iron-core coil noninductive air-core radiated matcher decoupling off-the-air comparative rating 100-watt continuous 141 175 warm S affect tissue poisoning heats paralyzes genetic likely damaged effects hands published guidelines institute engineers (IEEE) environmental (EPA) american (ANSI) ANSI guide lists allocations height aircraft according us greatest risk 3000 limit fewer safe 125 internal remove ensure cooling interlock bypassed fastened attached magnetic chemical reaction opposes ability store admittance coulomb henry tolerance equal-value inductors inductor capacitors describes mathematical relationship quantities calculated I = R x [current equals voltage] / resistance] P [resistance current] [voltage 12-volt supplies 0.25 circuit's 48 0.15 1.8 4800-ohm mA MA 48000-ohm 2.5 uA film metal-film core transforms constant slide moved heated resistor's thevenin's theorem resistors baudot percent hotter components response dissipation values 10% 110 high-quality 0.1% 5% 20% low-quality tapped tight transformer concentrated electrostatically electrochemically electromagnetically electromechanically determines diameter mounted vertically turns wind inserted coil's ferrite-core tool incorrectly magnetized pick hazard T6-1 represents adjustable wound toroidal layers silicon conductive plates plate spacing dielectric protective coating modern built-in cutoff low-frequency band-pass IF section receivers found beat-frequency detector variable-frequency driver crystal-controlled VFO-controlled combines stage (BFO) AGC VFO limiter discriminator double-conversion superheterodyne pictured T7-1 unlabeled T7-2 T7-3 T7-4 modulator rectifier switching amplitude-keyed frequency-shift-keyed frequency-modulated telephony phase-modulated tone-modulated feeding microphone's VHF/UHF pulse-modulated slow-scan modulated (USB) suppressed-carrier resemble constant-amplitude AF subcarrier varying suppressing failed amplitude-modulated modulate terminal-node-controller pad detectable resistant high-fidelity somewhat modes bandwidths sensitivity order narrowest widest overdeviation out-of-channel overmodulation skywave constructed square circular loops stacked angle toward beam arranged delta loop zepp directly none obtain induction traps magnetically couple obtains reflectors (if any) directors cubical 1/2-electrical four-sided one-electrical 1/4-electrical fed center-fed triangular rather ring finding shape coils non-directional easy outdoors magnetic-base whip roof polarization perpendicular electromagnetic-wave helical parabolical man-made spectrum left-hand right-hand standing-wave inductances resistances drive linear buildings trees converted neither triaxial wavetrap joins RG-213 F-type PL-259 banana plug binding post BNC type-N RG-58 RG-59 RG-174 excess wavelengths odd roll decreasing line's open-wire burn thing mount regularly clean tighten re-solder nice stuck