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Glossary
APPENDIX F
Glossary of Radio Terminology and Abbreviations
Canadian Channels:
Channel designations as defined by the
International Telecommunications Service,
(ITS).
Duplex:
Transmit and receive on different frequencies.
FM
:
Frequency Modulation
International Channels:
Channel designations as defined for use
in international waters by the ITS.
PTT:
Press-To-Talk switch
RF:
Radio Frequency
RX:
Receive
Simplex:
Transmit and receive on the same frequency.
Squelch:
To suppress background noise.
Tri-Watch:
Monitors Channels 16 and 9 while working on yet
another user designated channel.
TX:
Transmit
U.S.A. Channels:
Channel designations as defined by the FCC.
VHF:
Very High Frequency (30 MHz to 300 MHz)
Weather Channels:
Channel designations as defined by the FCC.
