Collaboration Categories Page 1
From The RadioReference Wiki
Amateur Radio
| Category | Sub-Category |
|---|---|
| Amateur Radio Frequencies | Amateur Radio Repeaters |
Aviation
| Category | Sub-Category |
|---|---|
| Aviation | Air National Guard |
| Air Shows | |
| Airports | |
| Civil Aviation | |
| Medical Aviation | |
| Military Aviation | |
| Military Satellites (MilSat) | |
| Satellites |
Businesses
Ground Transportation
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