| 4280 | 10b8 | TE | IANG 4280 | IANG 4280 Encrypted | Federal |
| 4281 | 10b9 | TE | IANG 4281 | IANG 4281 Encrypted | Federal |
| 4293 | 10c5 | TE | IANG 4293 | IANG 4293 Encrypted | Federal |
| 4294 | 10c6 | T | IANG 4294 | IANG 4294 | Federal |
| 4296 | 10c8 | T | IANG 4296 | IANG 4296 | Federal |
| 4298 | 10ca | T | IANG Waterloo | Waterloo Operations | Military |
| 4299 | 10cb | T | IANG Boone | Boone Operations - Channel 6 | Military |
| 4300 | 10cc | T | IANG STATEWIDE | Statewide | Military |
| 4301 | 10cd | TE | IANG 4301 | IANG 4301 Encrypted | Federal |
| 4303 | 10cf | TE | IANG 4303 | IANG 4303 Encrypted | Federal |
| 4309 | 10d5 | T | CampDodgeRngCntl | Camp Dodge Range Control | Military |
