| FCC Station Class | Description |
| FB | Base |
| FB2 | Mobile Relay |
| FB4 | Community Repeater |
| FB6 | Private Carrier (Profit) |
| FB7 | Private Carrier (Nonprofit) |
| FB8 | Centralized Trunked Relay |
| FX1 | Control |
| MO | Mobile |
| MO3 | Mobile / Vehicular Repeater |
| MO6 | Private Carrier Mobile Operation (Profit) |
| MO7 | Private Carrier Mobile Operation (Nonprofit) |
| MO8 | Centralized Trunked Mobile |
| FXO | Operational Fixed |
| FX2 | Fixed Relay |
| FX | Fixed |
| FXB | Primary Permanent Fixed Stations Or Links |
| LR | Radio location Land |
| WDX | Radio location Weather Radar |
| MR | Radio location Mobile |
| FX3 | Secondary Fixed Signaling |
| Additional Code That Can Be Placed At The End Of Any Of The Above Station Codes Where Appropriate | |
| A | Airport Terminal |
| C | Interconnect |
| I | Itinerant |
| J | Temporary Interconnect |
| K | Standby Interconnect |
| L | Itinerant Interconnect |
| S | Standby |
| T | Temporary |