About Murdock 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.
- Trunked radio systems that carry law-enforcement traffic here: STARCOM21 Statewide Illinois: 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 Murdock, start with the Pesotum site of STARCOM21 Statewide Illinois, about 12 miles away. Its control channels: 852.4125, 852.9375, 854.5625 MHz.
Douglas County channels that also cover Murdock
Dispatch
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| Douglas County Sheriff | Douglas County/Tuscola units | 155.9850 | 123.0 PL | FMN | — |
| Douglas County Sheriff | Douglas County Sheriff – Dispatch / Township Police | 159.1500 In 154.6500 | 123.0 PL | FMN | KSC240 |
Tactical
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| Douglas County Sheriff | Portables | 156.1500 | FMN | KSC240 |
Jails & Corrections
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| Douglas County Sheriff | Jail Operations | 155.8500 | FMN | KSC240 |
STARCOM21 Statewide Illinois
| Agency | Description | Talkgroup | Hex | Mode |
|---|---|---|---|---|
| Douglas County Sheriff | Douglas County Sheriff – Dispatch | 5931 | 172b | D |
Nearest trunked radio sites
Distances are measured from the center of Murdock.
Pesotum · STARCOM21 Statewide Illinois
RFSS 2 · Site 6 (hex 6) · NAC 14D · about 12 mi away
Control 852.4125, 852.9375, 854.5625
Voice 851.3625, 853.4625
Champaign · STARCOM21 Statewide Illinois
RFSS 2 · Site 3 (hex 3) · NAC 14C · about 21 mi away
Control 851.9375, 852.4625
Voice 851.4125, 852.9875, 854.9625, 855.1625
Simulcast · Champaign County METCAD MDICE
RFSS 1 · Site 1 (hex 1) · NAC 1D0 · about 23 mi away
Control 852.5625, 853.1375, 853.525, 853.825
Voice 851.0625, 851.55, 851.8, 852.1
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 Murdock?
We do not have a dispatch channel listed specifically for Murdock. County-level dispatch channels in the same county: Douglas County Sheriff 155.9850 MHz (123.0 PL); Douglas County Sheriff 159.1500 MHz (123.0 PL).