About Plains Police Frequencies
- 4 conventional channels are analog FM, so any scanner can receive them. Enter the frequency and set the tone shown in the table.
Plains conventional frequencies
Dispatch
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| Plains Police | DPW/Fire/Police – Common | 155.1450 | FMN | WNLZ768 |
Sanders County channels that also cover Plains
Dispatch
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| Sanders County Sheriff | West Dispatch | 154.8600 In 158.7900 | 162.2 PL | FMN | WNIU449 |
| Sanders County Sheriff | East Dispatch | 155.7300 In 159.0750 | 162.2 PL | FMN | WNJU670 |
| Sanders County Sheriff | Green Mountain | 155.7300 In 159.0750 | 100.0 PL | FMN | WNJU670 |
Nearest trunked radio sites
Distances are measured from the center of Plains.
Plains · Montana Public Safety Communications System
RFSS 1 · Site 99 (hex 63) · NAC 160 · about 6 mi away
Control 151.43, 154.95
Voice 155.94, 156.195
West Polson · Montana Public Safety Communications System
RFSS 1 · Site 16 (hex 10) · about 36 mi away
Control 151.28, 161.925
Voice 151.325, 151.385
Big Arm / Jette · Montana Public Safety Communications System
RFSS 1 · Site 22 (hex 16) · about 36 mi away
Control 161.825, 161.8875
Voice 161.9375, 161.95
What do these numbers mean?
- Control channel
- The frequency your scanner listens to first. It tells the scanner where each voice call is happening, so program it before anything else.
- Voice
- The other frequencies the site uses for calls. A trunking scanner follows them automatically once it has the control channel.
- Site
- One tower location of the system. Scanners show the number in decimal or hex, so both are listed.
- RFSS (Radio Frequency Sub-System)
- A group of sites run by the same controller. Large Project 25 systems can have several.
- NAC (Network Access Code)
- A hex code the site transmits. Your scanner can use it to ignore other systems on the same frequency.
- Talkgroup
- A virtual channel on a trunked system, such as one agency’s dispatch. Programming uses the decimal or hex number, depending on your scanner.
Common questions
What frequency do the police use in Plains?
Dispatch channels listed for Plains: Plains Police 155.1450 MHz.