Abkürzungen "B"
| BADARS | Braintree and District Amateur Radio Society |
| BAE | Base Antártica Española |
| BAFARA | Belgian Air Force Amateur Radio Association  |
| BARAC | Bishop Auckland Radio Amateur Club |
| BARC | Belize Amateur Radio Club |
| BARG | Bahrain Amateur Radio Group |
| BARS | Bahrain Amateur Radio Society |
| BARTG | British Amateur Radio Teledata Group |
| BAS | British Antarctic Survey |
| BATC | British Amateur Television Club |
| BBT | Bayerischer Bergtag |
| BCA | Belgian Castles Award |
| BCC | Bavarian Contest Club |
| BDARA | Brunei Darussalam Amateur Radio Association |
| BDM | Belgium Digital Mode Club |
| BFRA | Bulgarian Federation of Radio-Amateurs |
| BFSAI | British Forces South Atlantic Islands |
| BIPT | Belgian Institute for Postal Services and Telecommunications |
| BIWOTA |
British Inland Waterways on the air |
| BLOTA |
Boat Lifts on the Air |
| BNetzA | Bundesnetzagentur |
| BOTA | Beaches On The Air |
| BPSK | Binary Phase Shift Keying |
| BRARC | Belgian Railways Amateur Radio Club |
| BRARS | British Railways Amateur Radio Society |
| BRASZ | Budapest Radioamateur Society |
| BSCC | Blacksea Contest Club |
| BYLARA | British Young Ladies Amateur Radio Association |
