About Gilman Police Frequencies
- 11 conventional channels are analog FM, so any scanner can receive them. Enter the frequency and set the tone shown in the table.
- 2 conventional channels use a digital mode (P25), which needs a scanner that decodes that mode.
- Trunked radio systems that carry law-enforcement traffic here: Montana Public Safety Communications System: 3 talkgroups. A trunking scanner is required, and it must support the system type shown.
- To follow a trunked system, program a control channel first. For Gilman, start with the Sullivan Hill site of Montana Public Safety Communications System, about 22 miles away. Its control channels: 154.785, 155.31 MHz.
- 1 listed entry is marked encrypted. No scanner can decode encrypted audio.
Lewis and Clark County channels that also cover Gilman
Dispatch
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| Lewis And Clark County Sheriff | Lewis And Clark County Sheriff – Dispatch | 155.5200 In 156.0900 | FMN | KNHA831 |
Tactical
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| Lewis And Clark County Sheriff | Lewis And Clark County Sheriff – Tactical Channel | 154.8450 In 158.8650 | FMN | WQDD745 | |
| Lewis And Clark County Sheriff | North | 154.8600 | FMN | WPUE649 | |
| Lewis And Clark County Sheriff | Command Post/Tactical | 154.8900 | FMN | WPMA295 | |
| Lewis And Clark County Sheriff | Lewis And Clark County Sheriff – Tactical Channel | 155.3100 | P25 | WQCL476 | |
| Lewis And Clark County Sheriff | Lewis And Clark County Sheriff – Tactical Channel | 155.3700 | FMN | WQCL476 | |
| Lewis And Clark County Sheriff | Lewis And Clark County Sheriff – Tactical Channel | 156.2100 In 159.2100 | FMN | WPPC579 | |
| Lewis And Clark County Sheriff | Lewis And Clark County Sheriff – Tactical Channel | 159.0525 | P25 | WQCL476 | |
| Lewis And Clark County Sheriff | Lewis And Clark County Sheriff – Tactical Channel | 159.0675 | FMN | WQCL476 | |
| Lewis And Clark County Sheriff | Lewis And Clark County Sheriff – Tactical Channel | 159.2100 | FMN | WPMA295 |
Talk-around & Car-to-Car
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| Lewis And Clark County Sheriff | Lewis And Clark County Sheriff – Alternate | 155.4300 | FMN | KNHA831 | |
| Lewis And Clark County Sheriff | Lewis And Clark County Sheriff – Alternate | 159.0900 | FMN | KNHA831 |
Jails & Corrections
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| Lewis And Clark County Sheriff | Corrections | 453.5000 | FMN | WPKV541 |
Montana Public Safety Communications System
| Agency | Description | Talkgroup | Hex | Mode |
|---|---|---|---|---|
| Lewis and Clark County Sheriff | Sheriff 2 | 5 | 5 | D |
| Lewis and Clark County Sheriff | Sheriff 3 | 7 | 7 | D |
1 encrypted talkgroup (cannot be monitored)
| Agency | Description | Talkgroup | Hex | Mode |
|---|---|---|---|---|
| Lewis and Clark County Sheriff | Lewis and Clark County Sheriff – Dispatch | 3 | 3 | D Encrypted |
Nearest trunked radio sites
Distances are measured from the center of Gilman.
Sullivan Hill · Montana Public Safety Communications System
RFSS 1 · Site 23 (hex 17) · NAC 160 · about 22 mi away
Control 154.785, 155.31
Voice 153.86, 154.205, 154.65, 161.8625
Sunset Mountain · Montana Public Safety Communications System
RFSS 1 · Site 5 (hex 5) · NAC 161 · about 29 mi away
Control 155.355, 161.925
Voice 154.755, 155.19
Stonewall Mountain · Montana Public Safety Communications System
RFSS 1 · Site 8 (hex 8) · NAC 168 · about 36 mi away
Control 155.745
Voice 154.98, 155.835, 155.88
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 Gilman?
We do not have a dispatch channel listed specifically for Gilman. County-level dispatch channels in the same county: Lewis And Clark County Sheriff 155.5200 MHz.