About Foster Police Frequencies
- 6 conventional channels are analog FM, so any scanner can receive them. Enter the frequency and set the tone shown in the table.
Marion County channels that also cover Foster
Dispatch
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| Marion County Sheriff | Marion County Sheriff – Dispatch | 151.3925 In 155.9925 | 606 DPL | FMN | WQTQ335 |
Tactical
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| Marion County Sheriff | Marion County Sheriff – Tactical Channel | 154.8300 | FMN | WQMM416 | |
| Marion County Sheriff | Talk-Around | 156.0000 | 179.9 PL | FMN | WSEF393 |
| Marion County Sheriff | Marion County Sheriff – Tactical Channel | 156.1500 | FMN | WQMM416 | |
| Marion County Sheriff | Mobile Extenders | 159.0300 | FMN | WQMM416 |
Jails & Corrections
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| Marion County Sheriff | Marion County Sheriff – Tactical Channel / Jail | 154.6500 | CSQ | FMN | WQMM416 |
Nearest trunked radio sites
Distances are measured from the center of Foster.
Vandalia · STARCOM21 Statewide Illinois
RFSS 3 · Site 30 (hex 1E) · NAC 14A · about 14 mi away
Control 851.975, 852.8125, 853.3375
Voice 851.45, 853.9125, 854.1875
Centralia · STARCOM21 Statewide Illinois
RFSS 3 · Site 14 (hex E) · NAC 14D · about 17 mi away
Control 770.16875, 773.34375
Voice 769.21875, 774.09375, 855.6625, 860.8125
Centralia · Centralia Correctional Center - IDOC
Site 1 (hex 1) · about 20 mi away
Control 855.9625, 856.2375, 858.9625
Voice 855.2375
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 Foster?
We do not have a dispatch channel listed specifically for Foster. County-level dispatch channels in the same county: Marion County Sheriff 151.3925 MHz (606 DPL).