About Martin 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: Allied Radio Matrix for Emergency Response (ARMER): 2 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 Martin, start with the Beaver Creek site of Allied Radio Matrix for Emergency Response (ARMER), about 2 miles away. Its control channels: 852.1, 852.4375 MHz.
Rock County channels that also cover Martin
Dispatch
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| Rock County Sheriff | Rock County Sheriff – Dispatch | 155.0100 In 158.9700 | 203.5 PL | FMN | KAJ643 |
Allied Radio Matrix for Emergency Response (ARMER)
| Agency | Description | Talkgroup | Hex | Mode |
|---|---|---|---|---|
| Rock County Sheriff | Rock County Sheriff – Dispatch | 30900 | 78b4 | D |
| Rock County Sheriff | Law Tactical | 30915 | 78c3 | D |
Nearest trunked radio sites
Distances are measured from the center of Martin.
Beaver Creek · Allied Radio Matrix for Emergency Response (ARMER)
RFSS 2 · Site 38 (hex 26) · NAC 402 · about 2 mi away
Control 852.1, 852.4375
Voice 855.7375, 857.9625, 859.4375
Ellsworth · Allied Radio Matrix for Emergency Response (ARMER)
RFSS 2 · Site 39 (hex 27) · NAC 401 · about 14 mi away
Control 858.2375, 859.7125
Voice 853.4625, 858.7125, 858.9875
Hardwick · Allied Radio Matrix for Emergency Response (ARMER)
RFSS 2 · Site 29 (hex 1D) · NAC 403 · about 16 mi away
Control 853.5, 856.9625, 857.2625
Voice 851.9125, 859.2125
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 Martin?
We do not have a dispatch channel listed specifically for Martin. County-level dispatch channels in the same county: Rock County Sheriff 155.0100 MHz (203.5 PL).