About Diablo Grande Police Frequencies
- 8 conventional channels are analog FM, so any scanner can receive them. Enter the frequency and set the tone shown in the table.
- 3 conventional channels use a digital mode (P25), which needs a scanner that decodes that mode.
- Trunked radio systems that carry law-enforcement traffic here: Stanislaus Regional 911: 5 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 Diablo Grande, start with the Mt. Oso site of California Radio Interoperable System (CRIS), about 10 miles away. Its control channels: 769.96875, 770.91875, 773.34375 MHz.
- 2 listed entries are marked encrypted. No scanner can decode encrypted audio.
Stanislaus County channels that also cover Diablo Grande
Dispatch
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| Stanislaus County Sheriff | Sheriff 1 VHF | 158.7300 In 159.2100 | NAC 250 | P25 | KRX491 |
Tactical
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| Stanislaus County Sheriff | Training Center Crows Landing – EVOC Course | 151.9550 | 732 DPL | FM | — |
| Stanislaus County Sheriff | Sheriff 3 | 155.3700 In 155.7900 | 67.0 PL | FM | WPZX312 |
| Stanislaus County Sheriff | Court Security | 156.0300 In 154.7550 | 703 DPL | FM | WPGN379 |
| Stanislaus County Sheriff | Modesto Police Department Dispatch Link for Jails? | 453.7625 | 223 DPL | FM | KD20561 |
Talk-around & Car-to-Car
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| Stanislaus County Sheriff | Sheriff 2 VHF – Records | 158.8650 In 155.7450 | NAC 246 | P25 | KWL405 |
Jails & Corrections
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| Stanislaus County Sheriff | Juvenile Hall | 155.8800 | NAC 565 | P25 | KNDY263 |
| Stanislaus County Sheriff | Downtown Jail | 155.9100 In 158.9250 | 103.5 PL | FM | WPUU274 |
| Stanislaus County Sheriff | Honor Farm | 453.0500 In 458.0500 | 223 DPL | FM | WNZI322 |
| Stanislaus County Sheriff | Main Jail | 453.3250 In 458.3250 | 223 DPL | FM | WNZI322 |
| Stanislaus County Sheriff | Honor Farm | 453.9500 In 458.9500 | 223 DPL | FM | WNZI322 |
Stanislaus Regional 911
| Agency | Description | Talkgroup | Hex | Mode |
|---|---|---|---|---|
| Stanislaus County Sheriff | Sheriff 1 800 | 21703 | 54c7 | D |
| Stanislaus County Sheriff | Sheriff 3 | 21705 | 54c9 | D |
| Stanislaus County Sheriff | Sheriff 2 800 – Records | 21704 | 54c8 | D |
2 encrypted talkgroups (cannot be monitored)
| Agency | Description | Talkgroup | Hex | Mode |
|---|---|---|---|---|
| Stanislaus County Sheriff | Stanislaus County Sheriff – Tactical Channel (Encrypted) | 21711 | 54cf | D Encrypted |
| Stanislaus County Sheriff | Special Team Investigating Narcotics and Gangs | 21709 | 54cd | D Encrypted |
Nearest trunked radio sites
Distances are measured from the center of Diablo Grande.
Mt. Oso · California Radio Interoperable System (CRIS)
RFSS 1 · Site 2 (hex 2) · NAC 9D2 · about 10 mi away
Control 769.96875, 770.91875, 773.34375, 773.79375
Voice 774.04375, 774.78125
Pacheco · Merced County (West)
Site 1 (hex 1) · about 19 mi away
Control 854.1875, 854.3375
Voice 854.0875
Copernicus Peak · Silicon Valley Regional Communications System (SVRCS)
RFSS 1 · Site 7 (hex 7) · NAC 5E7 · about 20 mi away
Control 772.38125, 772.68125, 772.98125
Voice 769.54375
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 Diablo Grande?
We do not have a dispatch channel listed specifically for Diablo Grande. County-level dispatch channels in the same county: Stanislaus County Sheriff 158.7300 MHz (NAC 250).