About Rock 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: Kansas Statewide Interoperable Communication System (KSICS): 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 Rock, start with the Blue Rapids site of Kansas Statewide Interoperable Communication System (KSICS), about 13 miles away. Its control channels: 852.1125, 852.4125 MHz.
Marshall County channels that also cover Rock
Dispatch
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| Marshall County Sheriff | Marshall County Sheriff – Dispatch (Dispatch before KSICS) | 155.7450 In 153.7400 | 152 DPL | FMN | WNYZ977 |
Kansas Statewide Interoperable Communication System (KSICS)
| Agency | Description | Talkgroup | Hex | Mode |
|---|---|---|---|---|
| Marshall County Sheriff | Marshall County Sheriff – Dispatch | 4448 | 1160 | D |
| Marshall County Sheriff | County Law Enforcement Dispatch | 61442 | f002 | D |
Nearest trunked radio sites
Distances are measured from the center of Rock.
Blue Rapids · Kansas Statewide Interoperable Communication System (KSICS)
RFSS 2 · Site 11 (hex B) · about 13 mi away
Control 852.1125, 852.4125
Voice 851.8, 852.75, 853.475, 853.9
Wheaton · Kansas Statewide Interoperable Communication System (KSICS)
RFSS 2 · Site 56 (hex 38) · NAC 1B0 · about 19 mi away
Control 854.3375, 855.4625
Voice 854.1125, 856.0625, 857.0625, 858.0625
Corning · Kansas Statewide Interoperable Communication System (KSICS)
RFSS 2 · Site 10 (hex A) · NAC 1B2 · about 20 mi away
Control 852.2375, 852.9
Voice 851.9, 853.25, 853.5, 853.925
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 Rock?
We do not have a dispatch channel listed specifically for Rock. County-level dispatch channels in the same county: Marshall County Sheriff 155.7450 MHz (152 DPL).