| HAARP | High-Frequency Active Auroral Research Program |
| HADARS | Hull & District Amateur Radio Society |
| HAMARS | High Appalachian Mountain Amateur Radio Society |
| HARTS | Hong Kong Amateur Radio Transmitting Society |
| HDXG | Holy Land DX Group |
| HNARC | Hellenic Naval Amateur Radio Club  |
| HOCOTA | Holyland Christianity On The Air |
| HQ | Headquarter |
| HRD | Ham Radio Deluxe |
| HSC | Radio Telegraphy High Speed Club |
| HSDXA |
Thailand DX Association |
| HST |
High Speed Telegraphy |
| HTP |
Handtastenparty |
DL7UXG
QTH: Berlin
Loc. JO62sk
DOK: D21
DIG: 5375
GDXF: 917
EPC: 5365
(C) 2022 DL7UXG / Klaus Pöls
