Scanner Frequencies for Humboldt County
| State Parks | 151.010 | |
| CDF Fire | ||
| Car to car | 151.250 | |
| Tone 1 (Pratt Mtn.) | 151.250 | 110.9 |
| Tone 2 (Pierce Mtn.) | 151.250 | 123.0 |
| Tone 3 (Horse Mtn.) | 151.250 | 131.8 |
| Tone 4 (Red Mtn.) | 151.250 | 136.5 |
| Tone 5 (Grasshopper Mt.) | 151.250 | 146.2 |
| Tac 7 | 151.340 | S |
| Tac 10 | 151.400 | S |
| Tone 2 Command | 151.265 | 123.0 |
| Petrolia Fire Net | 151.145 | |
| Honeydew Fire | 154.445 | |
| County Co-op Fire | 154.070 | |
| CalCord | 156.075 | |
| Service and County | ||
| County Roads | 153.905 | |
| County Schools | 461.650 | |
| County School Bus | 153.485 | |
| CalTrans | 47.20 | |
| Contel | 451.350 | |
| Contel | 152.710 | |
| PG&E Base | 151.985 | |
| PG&E Base | 158.130 | |
| PG&E Mobile | 158.250 | |
| Red Cross | 47.20 | 179.9 |
| Red Cross Search & Rescue | 47.50 | |
| Family Radio Service Channels | ||
| 462.5625 | 462.5875 | 462.6125 |
| 462.6375 | 462.6625 | 462.6875 |
| 462.7125 | 467.5625 | 467.5875 |
| 467.6125 | 467.6375 | 467.6625 |
| 467.6875 | 467.7125 | |