| Abbreviation | Definition |
|---|---|
| GOTA | Get On The Air |
| GTGO | Good Times Great Oldies |
| GW | Ground Wave |
| HBS | Hospital Broadcasting Service |
| HCJB | The Voice of the Andes (not an acronym) |
| HFB | Heart of the Fruit Belt ( WHFB, AM-1060) |
| HFR | Henry Ford Community College Radio, WHFR, FM-89.3, Dearborn, Michigan |
| HFSTIVAL | Festival hosted by WHFS, FM-99.1, Washington, D. C. |
| HKR | Hrvatski Katoli ki Radio |
| HKR | Hrvatski Katolicki Radio |
| HKR | Hrvatski Katolički Radio |
| HLBO | Call sign for Korean vessel No. 307 Oyang |
| HONJ | MSC Trinidad, ship radio call sign |
| HONW | MSC Rebecca ship radio call sign |
| HOSARC | Hall of Science Amateur Radio Club Inc. (Kew Gardens, NY) |
| HTTA | Hybrid To The Antenna |
| IBFK | Iblea (ship callsign) |
| IBFU | Industry Beats For You |
| IBFU | Valencia (ship callsign) |
| IBFZ | Isola Gialla (ship callsign) |