About Corley 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.
- 1 conventional channel uses a digital mode (P25), which needs a scanner that decodes that mode.
- Trunked radio systems that carry law-enforcement traffic here: Iowa Statewide Interoperable Communications System (ISICS): 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 Corley, start with the Harlan site of Iowa Statewide Interoperable Communications System (ISICS), about 10 miles away. Its control channels: 769.91875, 770.16875, 770.41875 MHz.
Shelby County channels that also cover Corley
Dispatch
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| Shelby County Sheriff | Shelby County Sheriff – Dispatch | 154.6950 In 159.0300 | NAC 831 | P25 | KAG861 |
Talk-around & Car-to-Car
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| Shelby County Sheriff | Sheriff Information – Base | 155.3100 | FMN | KAG861 | |
| Shelby County Sheriff | Sheriff Information – Mobiles | 155.9100 | FMN | KAG861 |
Iowa Statewide Interoperable Communications System (ISICS)
| Agency | Description | Talkgroup | Hex | Mode |
|---|---|---|---|---|
| Shelby County Sheriff | Law 1 | 56701 | dd7d | T |
| Shelby County Sheriff | Law 2 | 56702 | dd7e | T |
Nearest trunked radio sites
Distances are measured from the center of Corley.
Harlan · Iowa Statewide Interoperable Communications System (ISICS)
RFSS 1 · Site 80 (hex 50) · NAC 4C2 · about 10 mi away
Control 769.91875, 770.16875, 770.41875
Voice 769.66875
Oakland · Iowa Statewide Interoperable Communications System (ISICS)
RFSS 1 · Site 53 (hex 35) · about 18 mi away
Control 770.44375
Pottawattamie County Simulcast · Omaha Regional Interoperability Network (ORION)
RFSS 1 · Site 14 (hex E) · NAC 14E · about 19 mi away
Control 858.2625, 858.7375, 859.2625, 859.7375
Voice 854.0625, 854.5625, 856.2625, 856.7375, 857.2625, 857.7375
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 Corley?
We do not have a dispatch channel listed specifically for Corley. County-level dispatch channels in the same county: Shelby County Sheriff 154.6950 MHz (NAC 831).