Twin State Mutual Aid
From Scan New England Wiki
- Twin State is Dispatched by Grafton County Sheriff's office in Haverhill
- They dispatch Northern Grafton County, and some Vermont Fire Departments
- The Unit ID's use the name of their towns then say their unit type (which is a letter) and then their number
Radio System
| Channel | Frequency | Tone | Notes |
| 1 | 154.4000 | 136.5 | Dispatch |
| 2 | --- | --- | Local Frequency |
| 3 | --- | --- | Local Frequency |
| 4 | 154.2950 | 136.5 | Fireground |
| 5 | 154.2800 | 136.5 | Statewide Fireground |
| 6 | 154.2350 | 136.5 | Fireground |
| 7 | 154.1600 | 173.8 | Fireground |
| 452.3625 Downlink from Remote TX/RX site [Manns Hill] back to Grafton SO | 451.7500 | 118.8 | Downlink from Remote TX/RX Site [Cannon Mtn] back to Grafton SO
Member Comunities
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