About Grace 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: Allied Radio Matrix for Emergency Response (ARMER): 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 Grace, start with the Clara City site of Allied Radio Matrix for Emergency Response (ARMER), about 9 miles away. Its control channels: 851.8875, 855.4875 MHz.
- 3 listed entries are marked encrypted. No scanner can decode encrypted audio.
Chippewa County channels that also cover Grace
Dispatch
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| Chippewa County Sheriff | Sheriff's Department X 4 Locations | 155.6400 In 158.8950 | 94.8 PL | FMN | KNBW384 |
Allied Radio Matrix for Emergency Response (ARMER)
| Agency | Description | Talkgroup | Hex | Mode |
|---|---|---|---|---|
| Chippewa County Sheriff | Law Dispatch | 29120 | 71c0 | D |
3 encrypted talkgroups (cannot be monitored)
| Agency | Description | Talkgroup | Hex | Mode |
|---|---|---|---|---|
| Chippewa County Sheriff | Law 1 | 29121 | 71c1 | D Encrypted |
| Chippewa County Sheriff | Law 2 | 29122 | 71c2 | D Encrypted |
| Chippewa County Sheriff | Law Car to Car | 29123 | 71c3 | D Encrypted |
Nearest trunked radio sites
Distances are measured from the center of Grace.
Clara City · Allied Radio Matrix for Emergency Response (ARMER)
RFSS 2 · Site 99 (hex 63) · about 9 mi away
Control 851.8875, 855.4875
Voice 853.1, 853.375, 854.9875
Milan · Allied Radio Matrix for Emergency Response (ARMER)
RFSS 2 · Site 98 (hex 62) · NAC 40a · about 13 mi away
Control 853.5, 859.2625
Voice 851.95, 852.4875, 852.9
Montevideo · Allied Radio Matrix for Emergency Response (ARMER)
RFSS 2 · Site 81 (hex 51) · NAC 402 · about 14 mi away
Control 853.3375, 853.725
Voice 851.1625, 851.5875, 852.2125
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 Grace?
We do not have a dispatch channel listed specifically for Grace. County-level dispatch channels in the same county: Chippewa County Sheriff 155.6400 MHz (94.8 PL).