EARN is a closed repeater system.
| Site Name | Frequency | CTCSS | Coverage Area |
| Santiago | 224.760- | Greater LA Basin | |
| Oat | 224.740- | San Fernando/Santa Clarita/Simi Valley | |
| Rincon | 224.760- | Santa Barbara/Ventura | |
| Cactus City | 224.320- | Western Low Desert | |
| Chuckwalla | 224.760- | Low Desert | |
| Big Maria | 224.320- | Blythe/Lower Colorado River | |
| Christmas Tree | 224.760- | Laughlin/Eastern High desert | |
| Red | 224.700- | Las Vegas/Lake Mead | |
| Ord | 224.320- | High Desert | |
| White | 224.760- | Bishop/Mammoth | |
| Oak | 224.700- | Western High Desert/Tehacapi Pass | |
| Shirley | 224.320- | Lake Isabella/Southern San Joaquin Valley | |
| Musick | 224.760- | Big Creek/San Joaquin Valley |