About Joplin Police Frequencies
- 1 conventional channel is analog FM, so any scanner can receive it. Enter the frequency and set the tone shown in the table.
- Trunked radio systems that carry law-enforcement traffic here: Montana Public Safety Communications System: 1 talkgroup. A trunking scanner is required, and it must support the system type shown.
- To follow a trunked system, program a control channel first. For Joplin, start with the Mount Royal site of Montana Public Safety Communications System, about 33 miles away. Its control channels: 151.43, 161.9375 MHz.
Liberty County channels that also cover Joplin
Dispatch
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| Liberty County Sheriff | Liberty County Sheriff – Dispatch | 154.8300 In 155.7300 | CSQ | FMN | WNJI376 |
Montana Public Safety Communications System
| Agency | Description | Talkgroup | Hex | Mode |
|---|---|---|---|---|
| Liberty County Sheriff | Liberty County Sheriff – Dispatch | 6761 | 1a69 | D |
Nearest trunked radio sites
Distances are measured from the center of Joplin.
Mount Royal · Montana Public Safety Communications System
RFSS 1 · Site 18 (hex 12) · NAC 162 · about 33 mi away
Control 151.43, 161.9375
Voice 151.205
Boyce Ranch · Montana Public Safety Communications System
RFSS 1 · Site 47 (hex 2F) · about 50 mi away
Control 151.34, 153.92
Voice 154.415
Hill County Sheriff Office · Montana Public Safety Communications System
RFSS 1 · Site 19 (hex 13) · about 50 mi away
Control 151.295, 154.235
Voice 153.995
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 Joplin?
We do not have a dispatch channel listed specifically for Joplin. County-level dispatch channels in the same county: Liberty County Sheriff 154.8300 MHz (CSQ).