Acronym |
Definition |
| ACS | Auxiliary Communications Service |
| ADARS | Antrim and District Amateur Radio Society |
| ADIF | Amateur Data Interchange Format |
| ADPCM | Adaptive Differential Pulse Code Modulation |
| ADR | Additional Dialog Recording |
| ADRF | Analog Devices Radio Frequency |
| AERP | Average Effective Radiated Power |
| AF | Audio Frequency |
| AFC | Antennas For Communications |
| AGC | Automatic Gain Control |
| AGL | Above Ground Level |
| AISG | Antenna Interface Standards Group |
| AJD | All Japan Districts |
| AK | Atwater-Kent radio |
| ALD | Antenna Linkage Device |
| AM | Amplitude Modulation |
| AM-10 | AMSAT Oscar-10 AMateur SATellite |
| AMBCS | Alaska Meteor Burst Communications System |
| AMBE | Advanced Multi-Band Excitation |
| AMRPTR | Amateur Repeater |
| AMRS | Austrian Military Radio Society |
| ANARC | Association of North American Radio Clubs |
| ANARC | Angel of the North Amateur Radio Club |
| ANC | Automatic Noise Cancelling |
| APO | Advanced Planner Optimizer |
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