About Chums Corner Police Frequencies
- 1 conventional channel is analog FM, so any scanner can receive it. 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): 8 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 Chums Corner, start with the River Central site of Michigan's Public Safety Communications System (MPSCS), about 3 miles away. Its control channels: 853.1375, 853.35 MHz.
- 3 listed entries are marked encrypted. No scanner can decode encrypted audio.
Grand Traverse County channels that also cover Chums Corner
Talk-around & Car-to-Car
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| Grand Traverse County Police | Secondary backup to MPSCS | 155.9250 | 162.2 PL | FMN | WNJM789 |
Michigan's Public Safety Communications System (MPSCS)
| Agency | Description | Talkgroup | Hex | Mode |
|---|---|---|---|---|
| Grand Traverse County Law Enforcement | Grand Traverse County Law Enforcement – Dispatch | 5033 | 13a9 | D |
| Grand Traverse County Law Enforcement | Traverse Narcotics Team | 5005 | 138d | D |
| Grand Traverse County Law Enforcement | Detective Bureau | 14044 | 36dc | D |
| Grand Traverse County Law Enforcement | LEIN | 4311 | 10d7 | D |
| Grand Traverse County Law Enforcement | Sheriff County Jail | 4320 | 10e0 | D |
3 encrypted talkgroups (cannot be monitored)
| Agency | Description | Talkgroup | Hex | Mode |
|---|---|---|---|---|
| Grand Traverse County Law Enforcement | County Law Tactical | 4819 | 12d3 | D Encrypted |
| Grand Traverse County Law Enforcement | Countywide Narcotics Enforcement Common – TNT | 5006 | 138e | D Encrypted |
| Grand Traverse County Law Enforcement | Countywide Narcotics Enforcement – TNT | 5007 | 138f | D Encrypted |
Nearest trunked radio sites
Distances are measured from the center of Chums Corner.
River Central · Michigan's Public Safety Communications System (MPSCS)
RFSS 4 · Site 51 (hex 33) · NAC 799 · about 3 mi away
Control 853.1375, 853.35
Voice 769.78125, 770.08125, 770.53125, 851.725, 852.0375, 852.25, 852.7625
Traverse City · Michigan's Public Safety Communications System (MPSCS)
RFSS 4 · Site 32 (hex 20) · NAC 791 · about 8 mi away
Control 853.525, 853.775
Voice 851.375, 851.875, 852.375, 852.7375, 852.875, 853.875, 854.9125, 855.0625, 855.3125, 855.3625, 855.6625
Interlochen · Michigan's Public Safety Communications System (MPSCS)
RFSS 4 · Site 29 (hex 1D) · NAC 794 · about 8 mi away
Control 853.5875, 853.875
Voice 851.3, 851.95, 852.425, 852.9, 853.3875, 855.6125, 855.9375
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.