About Sherman Police Frequencies
- 2 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: Michigan's Public Safety Communications System (MPSCS): 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 Sherman, start with the Harrison site of Michigan's Public Safety Communications System (MPSCS), about 11 miles away. Its control channels: 853.4375, 853.9375 MHz.
Gladwin County channels that also cover Sherman
Dispatch
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| Gladwin County Sheriff | 911 Central Dispatch | 158.7300 In 154.7700 | 114 DPL | FMN | KNNP633 |
Talk-around & Car-to-Car
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| Gladwin County Sheriff | Gladwin County Sheriff – Alternate | 155.0700 In 159.0300 | 114 DPL | FMN | KNNP633 |
Michigan's Public Safety Communications System (MPSCS)
| Agency | Description | Talkgroup | Hex | Mode |
|---|---|---|---|---|
| Gladwin County Sheriff | County Police Dispatch | 1273 | 4f9 | D |
| Gladwin County Sheriff | County Narcotics (Future) | 1166 | 48e | D |
Nearest trunked radio sites
Distances are measured from the center of Sherman.
Harrison · Michigan's Public Safety Communications System (MPSCS)
RFSS 3 · Site 21 (hex 15) · NAC 793 · about 11 mi away
Control 853.4375, 853.9375
Voice 851.4375, 851.9375, 852.2125, 852.9375, 853.2375, 856.8375
St. Helen · Michigan's Public Safety Communications System (MPSCS)
RFSS 4 · Site 18 (hex 12) · NAC 790 · about 14 mi away
Control 853.2125, 853.6375
Voice 851.275, 851.6625, 852.3125, 852.6875, 859.8125
Sterling · Michigan's Public Safety Communications System (MPSCS)
RFSS 1 · Site 11 (hex B) · NAC 794 · about 23 mi away
Control 853.3875, 853.875
Voice 851.4875, 851.9625, 852.125, 852.4375
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.
Common questions
What frequency do the police use in Sherman?
We do not have a dispatch channel listed specifically for Sherman. County-level dispatch channels in the same county: Gladwin County Sheriff 158.7300 MHz (114 DPL).