Chapel Hill also extends into Durham County.
About Chapel Hill Police Frequencies
- Trunked radio systems that carry law-enforcement traffic here: North Carolina VIPER: 6 talkgroups; North Carolina VIPER: 15 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 Chapel Hill, start with the Chapel Hill site of North Carolina VIPER, about 1 miles away. Its control channels: 853.3875, 853.825 MHz.
Chapel Hill trunked talkgroups
North Carolina VIPER
| Agency | Description | Talkgroup | Hex | Mode |
|---|---|---|---|---|
| Chapel Hill Police | Chapel Hill Police – Dispatch | 34557 | 86fd | D |
| Chapel Hill Police | Chapel Hill Police – Patrol | 34560 | 8700 | D |
| Chapel Hill Police | Chapel Hill Police – Operations | 34561 | 8701 | D |
| Chapel Hill Police | Chapel Hill Police – Administration | 34556 | 86fc | D |
| Chapel Hill Police | Chapel Hill Police – Info | 34558 | 86fe | D |
| Chapel Hill Police | Chapel Hill Police – Investigations | 34559 | 86ff | D |
Orange County channels that also cover Chapel Hill
North Carolina VIPER
| Agency | Description | Talkgroup | Hex | Mode |
|---|---|---|---|---|
| Orange County Sheriff | Orange County Sheriff – Dispatch | 34519 | 86d7 | D |
| Orange County Sheriff | UNC Hospital Police Department Dispatch | 52590 | cd6e | D |
| Orange County Sheriff | UNC Police Dispatch | 52592 | cd70 | D |
| Orange County Sheriff | Patrol | 34522 | 86da | D |
| Orange County Sheriff | Operations | 34523 | 86db | D |
| Orange County Sheriff | Volunteer Fire – Administration | 34544 | 86f0 | D |
| Orange County Sheriff | Hillsborough – Patrol | 34575 | 870f | D |
| Orange County Sheriff | Hillsborough – Operations | 34576 | 8710 | D |
| Orange County Sheriff | UNC Police Information | 52591 | cd6f | D |
| Orange County Sheriff | Administration | 34517 | 86d5 | D |
| Orange County Sheriff | Info | 34520 | 86d8 | D |
| Orange County Sheriff | Investigations | 34521 | 86d9 | D |
| Orange County Sheriff | Hillsborough – Info | 34574 | 870e | D |
| Orange County Sheriff | Hillsborough – Investigations | 34577 | 8711 | D |
| Orange County Sheriff | Detention | 34518 | 86d6 | D |
Nearest trunked radio sites
Distances are measured from the center of Chapel Hill.
Chapel Hill · North Carolina VIPER
RFSS 1 · Site 12 (hex C) · NAC 1F2 · about 1 mi away
Control 853.3875, 853.825
Voice 851.075, 851.3875, 851.7125, 852.4875, 852.9875, 856.4375, 857.4375, 858.4375, 858.5125, 859.4375
Duke University · North Carolina VIPER
RFSS 1 · Site 7 (hex 7) · NAC 1F0 · about 8 mi away
Control 857.8625, 858.8375
Voice 852.45, 853.5125, 854.8375, 855.2875, 855.5875, 856.8375
Chatham Mtn · North Carolina VIPER
RFSS 1 · Site 13 (hex D) · NAC 1F3 · about 8 mi away
Control 853.4125, 853.6875
Voice 851.2375, 851.6625, 852.2125, 857.5375, 858.1125, 859.1125
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
Are Chapel Hill police talkgroups encrypted?
None of the 6 talkgroups listed for Chapel Hill are marked encrypted.