| AMSAT-NA |
| American Radio Relay League |
| ARRL Southeast Division |
| Blue Ridge Microwave Society |
| Carolina DX Association (CDXA) |
| Central States VHF Society |
| Collierville Millimeter Wave Society |
| East Tennessee DX Association |
| Florida Weak Signal Society |
| Fourlanders VHF Contesting Group |
| Kansas City VHF Grid Bandits |
| Northeast Weak Signal Society |
| North Texas Microwave Society |
| Northern Berkshire Amateur Radio Club |
| Pacific Northwest VHF Society |
| Radio Society of Great Britain (RSGB) |
| Roadrunners Microwave Group |
| Rocky Mountain VHF+ |
| San Bernardino Microwave Society |
| Side Winders On Two ( SWOT ) – Listserver |
| Six Meters International Radio Klub (SMIRK) |
