About Maple Ridge Police Frequencies
- Trunked radio systems that carry law-enforcement traffic here: Michigan's Public Safety Communications System (MPSCS): 3 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 Maple Ridge, start with the Alpena site of Michigan's Public Safety Communications System (MPSCS), about 7 miles away. Its control channels: 852.6, 853.1125, 853.75 MHz.
- 1 listed entry is marked encrypted. No scanner can decode encrypted audio.
Alpena County channels that also cover Maple Ridge
Michigan's Public Safety Communications System (MPSCS)
| Agency | Description | Talkgroup | Hex | Mode |
|---|---|---|---|---|
| Alpena County Law Enforcement | Alpena County Law Enforcement – Dispatch | 4036 | fc4 | D |
| Alpena County Law Enforcement | LEIN | 4157 | 103d | D |
1 encrypted talkgroup (cannot be monitored)
| Agency | Description | Talkgroup | Hex | Mode |
|---|---|---|---|---|
| Alpena County Law Enforcement | Countywide Narcotics Enforcement Common | 4013 | fad | D Encrypted |
Nearest trunked radio sites
Distances are measured from the center of Maple Ridge.
Alpena · Michigan's Public Safety Communications System (MPSCS)
RFSS 4 · Site 52 (hex 34) · about 7 mi away
Control 852.6, 853.1125, 853.75
Voice 851.25, 851.7375, 852.1125
Grand Lake · Michigan's Public Safety Communications System (MPSCS)
RFSS 4 · Site 6 (hex 6) · NAC 797 · about 7 mi away
Control 853.325, 853.475, 853.975
Voice 851.975, 852.975, 854.7625, 854.8375, 854.9375, 860.9625, 861.2875
Manning Hill · Michigan's Public Safety Communications System (MPSCS)
RFSS 4 · Site 11 (hex B) · NAC 795 · about 10 mi away
Control 852.4375, 853.3875
Voice 851.1, 851.4875, 851.9625, 855.0125, 855.1875
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.