|
Term |
Description |
Note |
|
|
|
| AM |
Amplitude
Modulation |
|
| Broadcast |
A type of
transmission which is heard by a large number of receive only stations |
|
| Carrier |
A radio
frequency wave which is used to carry speech or data. |
|
| CBS |
Common Base
Station |
[more] |
| CTCSS |
Constant Tone
Controlled Signalling System |
See
MPT1306 |
| DCS |
Digital Coded
Squelch (digital subaudiable squelch signalling system) |
See
MPT1306 |
| DTCS |
Digital Tone
Coded Squelch - Icom's preferred term for DCS |
See
MPT1381 |
| DTMF |
Dual Tone
Multiple Frequency, touch tone signalling |
|
| FM |
Frequency
Modulation |
|
| High Band |
A commercial PBR
band between 165-174MHz |
|
| Low Band |
A commercial PBR
band between 66-88MHz |
|
| LSB |
Lower Sideband
(SSB) |
|
| Mid Band |
A commercial PBR
band between 138?-165MHz |
|
| Omnidirectional |
If an antenna is
omniderectional, it is equally sensitive from any direction. |
|
| PBR |
Private Business
Radio, Ofcom's new preferred term for commercial business radio. |
|
| PMR |
Private mobile
radio, now known as PBR. PMR is not the same as
PMR446. |
|
| PMR446 |
Europe wide
licence exempt walkie talkies |
(Article) |
| PTT |
Press To Talk,
the button on a transceiver which when pressed, changes from listen to transmit mode |
|
| RF |
Radio Frequency.
Wavelengths between audio and light. |
|
| SRBR |
Short Range
Business Radio. Now disbanded and replaced by PMR446. |
(more) |
| SSB |
Single Sideband,
A form of very economic AM |
|
| TETRA |
Terrestrial
Trunked Radio |
(Article) |
| USB |
Upper Sideband
(SSB) |
|
| VFO |
Variable
Frequency Oscillator |
|
| VHF |
Very high
frequency |
|
| WFM |
Wide bandwidth
Frequency Modulation |
|
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