| Abbreviation | Definition |
|---|---|
| AUBS | AUdio Base Station |
| AWARE | Array of Wireless Access Repeater Elements |
| B/D | Buffer/Doubler |
| BARA | Bergen Amateur Radio Association |
| BARC | Baltimore Amateur Radio Club |
| BARC | Beargrease Amateur Radio Coalition |
| BARC | Bracknell Amateur Radio Club |
| BARCS | British Association of Radio Control Soarers |
| BARS | Bluegrass Amateur Radio Society |
| BBARC | Big Bear Amateur Radio Club |
| BBARC | Big Bend Amateur Radio Club |
| BCAP | Basic Class A Pre-amplifier |
| BCB | BroadCast Band |
| BCI | Broad-Cast Interference |
| BERT | Bit Error Rate Transfer |
| BHAA | Box-Horn Antenna Array |
| BOM | Beginning Of Message |
| BP | Back Propagation |
| BP | Battery Powered |
| BPSK | Binary Phase Shift Keying |