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41 Cards in this Set
- Front
- Back
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Wattmeter |
Shows average power at the crest of the peak. Way to determine legal power limits |
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Unmodulated carrier |
Steady sine wave always at its peak |
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Unmodulated carrier |
Average power at peak is the same at all times. No valley |
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Average reading and peak reading of wattmeter is the same |
Unmodulated carrier |
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Full break in telegraphy (QSK) |
Station transmitting morse can receive between dots and dashes |
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ZERO BEAT |
To match transmitting frequency exactly to the frequency of station being received |
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Electronic keyer |
Automatically transmits dots and dashes |
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Fast scan tv fctv bandwidth |
6a MHz |
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Frequency modulation voice bandwidth |
10 to 15 kHz |
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DOUBLE sideband voice DSB bandwidth |
4 to 6 kHz |
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PACTOR-III Bandwidth |
2.3 kHz |
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Morse code bandwidth |
150 Hz |
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General class licensees have all ameture radio privileges except for certain segments within these bands |
80/75. 40 meters. 20 meters. 15 meters |
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CQ |
Calling any station |
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DZ |
Distant station |
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73 |
Best regards |
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88 |
Love and kisses fromYLfromxYL |
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Roger |
All received ok |
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HI hi |
Lol |
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DE |
FROM OR THIS IS |
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K |
Any station |
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KN |
Only the called station transmit |
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R |
All recieved |
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BK |
Break ir"Back to you" |
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AR |
End if message |
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Max symbol rate below 28MHz |
300 baud |
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Max symbol rate RTTY on 10 meter band |
300 baud |
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Max symbol rate 2meter |
19.6 kilobaud |
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Max RTTY symbol rate 1.25 meter and 70 cm |
56 kilobaud |
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QRV |
Ready to recieve |
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QRS |
Send slower |
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When answering CQ |
Use speed at which the CQ was sent |
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DX WINDOW |
Reserved for DX other countries |
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80 meter band digital contact occur in |
RTTY/Data segment (3.570 MHZ -3.600 MHz |
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On 20 meter band RTTY |
And packet segments (14.070-MHz -14.100 MHz) |
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20 meter band PSK31 contact occur |
Just below RTTY near 14.070 |
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Gain is measured in decibels (db) and is always given in ____________ |
In comparison to the reference antenna |
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Antenna used for gain comparison is represented by________ |
A letter example dBi isotropic radiator or dBd dipole antenna |
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Impedance Z |
Combined opposition to the flow of ac from resistance and reactance measured in ohms |
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Impedance formula |
Z= R+jX where R is resistance in ohms j is square of -1 X is reactance in ohms |
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Relationship RF. IF FORMULA |
f=|f2-f1| |
