| Abbreviation | Definition |
|---|---|
| CJPT | 103.7 FM, Brockville, Ontario, Canada |
| CJTT | AM-1230, New Liskeard, Ontario, Canada |
| CKLW | AM-800, Windsor, Ontario, Canada (and formerly TV-9) |
| CKWW | AM-580, Windsor, Ontario, Canada |
| CNR | China National Radio |
| CPR | Capital Public Radio |
| CPR | Colorado Public Radio |
| CR | Citizen Radio |
| CR | Community Radio |
| CRBC | Canadian Radio Broadcasting Commission |
| CRI | China Radio International |
| DARC | Dublin Alternative Radio Collective |
| dB | Decibel |
| DBDL | M/S Hoben call sign |
| DBDO | M/S Ems call sign |
| DRIS | Detroit Radio Information Service (Detroit NPR radio station SCA service) |
| FFAC | Franklin Fine Arts Center |
| FFLF | Female Fun Limitation Factor |
| FRCN | Federal Radio Corporation of Nigeria |
| GEARS | Greenisland Electronics Amateur Radio Society |