About Johnson 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: Ohio MARCS-IP: Multi-Agency Radio Communications: 4 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 Johnson, start with the Urbana site of Ohio MARCS-IP: Multi-Agency Radio Communications, about 10 miles away. Its control channels: 773.90625, 774.80625 MHz.
Champaign County channels that also cover Johnson
Dispatch
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| Champaign County Sheriff | Champaign County Sheriff – West Repeater | 154.8750 In 155.9700 | 100.0 PL | FMN | KZE754 |
| Champaign County Sheriff Primary | Champaign County Sheriff Primary | 154.8750 In 155.9700 | 192.8 PL | FMN | KZE754 |
| Colleges/Universities | Urbana University – Security | 462.0875 In 467.0875 | 103.5 PL | FMN | — |
Tactical
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| Champaign County Sheriff TAC | Champaign County Sheriff Tactical | 154.8450 | 343 DPL | FMN | KZE754 |
Ohio MARCS-IP: Multi-Agency Radio Communications
| Agency | Description | Talkgroup | Hex | Mode |
|---|---|---|---|---|
| Champaign County Sheriff | Champaign County Sheriff – Dispatch | 10298 | 283a | D |
| Champaign County Sheriff | Champaign County Sheriff – Tactical Channel | 10282 | 282a | D |
| Champaign County State Corrections | Urbana Unit 1 Champaign County | 52912 | ceb0 | D |
| Champaign County State Corrections | Urbana Unit 1 Champaign County | 52914 | ceb2 | D |
Nearest trunked radio sites
Distances are measured from the center of Johnson.
Urbana · Ohio MARCS-IP: Multi-Agency Radio Communications
RFSS 1 · Site 8 (hex 8) · NAC 347 · about 10 mi away
Control 773.90625, 774.80625
Voice 771.75625, 772.05625, 772.33125
Sidney · Ohio MARCS-IP: Multi-Agency Radio Communications
RFSS 1 · Site 19 (hex 13) · NAC 34C · about 14 mi away
Control 773.78125, 774.53125
Voice 772.15625, 773.28125, 773.45625, 851.65, 852.6, 853.125
Northridge · Ohio MARCS-IP: Multi-Agency Radio Communications
RFSS 4 · Site 8 (hex 8) · NAC 347 · about 16 mi away
Control 773.23125, 773.73125
Voice 771.33125, 771.58125, 771.95625, 772.90625, 851.8875, 853.4625
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 Johnson?
We do not have a dispatch channel listed specifically for Johnson. County-level dispatch channels in the same county: Champaign County Sheriff 154.8750 MHz (100.0 PL); Champaign County Sheriff Primary 154.8750 MHz (192.8 PL).