About Knox County Police Frequencies
- Trunked radio systems that carry law-enforcement traffic here: Missouri Statewide Wireless Interoperable Network (MOSWIN): 2 talkgroups; STARCOM21 Statewide Illinois: 6 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 Knox County, start with the Knox City site of Missouri Statewide Wireless Interoperable Network (MOSWIN). Its control channels: 155.325, 170.9125, 171.6875 MHz.
- 2 listed entries are marked encrypted. No scanner can decode encrypted audio.
Knox County trunked talkgroups
Missouri Statewide Wireless Interoperable Network (MOSWIN)
| Agency | Description | Talkgroup | Hex | Mode |
|---|---|---|---|---|
| Knox County Sheriff | Knox County Sheriff – Dispatch | 27903 | 6cff | D |
| Knox County Sheriff | Knox County Sheriff – Tactical Channel | 27904 | 6d00 | D |
STARCOM21 Statewide Illinois
| Agency | Description | Talkgroup | Hex | Mode |
|---|---|---|---|---|
| Knox County Sheriff | Knox County Sheriff – Dispatch (Dispatcher simulcast on 155.535) | 1926 | 786 | D |
| Knox County Sheriff | Knox County Sheriff – Dispatch – Secondary | 1927 | 787 | D |
| Knox County Sheriff | Operations | 1928 | 788 | D |
| Knox County Sheriff | Operations | 1930 | 78a | D |
2 encrypted talkgroups (cannot be monitored)
| Agency | Description | Talkgroup | Hex | Mode |
|---|---|---|---|---|
| Knox County Sheriff | Galesburg Police | 1929 | 789 | D Encrypted |
| Knox County Sheriff | Galesburg police tac or Galesburg fire? | 1931 | 78b | D Encrypted |
Radio system sites in Knox County
Program the control channel first; your scanner finds the voice channels from it.
Knox City · Missouri Statewide Wireless Interoperable Network (MOSWIN)
RFSS 1 · Site 32 (hex 20) · NAC 1CE
Control 155.325, 170.9125, 171.6875
Voice 151.085, 155.4375
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.
Cities & communities in Knox County
Common questions
Are Knox County police talkgroups encrypted?
2 of the 8 talkgroups listed for Knox County are marked fully or partly encrypted; a scanner cannot decode encrypted audio.