About Madison County Police Frequencies
- Trunked radio systems that carry law-enforcement traffic here: Bluegrass Regional Radio Network (BRRN): 22 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 Madison County, start with the Madison County Simulcast site of Bluegrass Regional Radio Network (BRRN). Its control channels: 852.15, 852.4, 856.4875 MHz.
- 21 listed entries are marked encrypted. No scanner can decode encrypted audio.
Madison County trunked talkgroups
Bluegrass Regional Radio Network (BRRN)
System ID 00A
| Agency | Description | Talkgroup | Hex | Mode |
|---|---|---|---|---|
| Madison County Sheriff | LE Tactical | 3108 | c24 | T |
21 encrypted talkgroups (cannot be monitored)
| Agency | Description | Talkgroup | Hex | Mode |
|---|---|---|---|---|
| Eastern Kentucky University | Eastern KY Univ Police Dispatch | 3601 | e11 | D Encrypted |
| Madison County Law Enforcement | Madison Co – Sheriff Main | 3125 | c35 | T Encrypted |
| Madison County Law Enforcement | Constables | 3135 | c3f | T Encrypted |
| Madison County Law Enforcement | Madison Co – Car to Car | 3127 | c37 | T Encrypted |
| Madison County Law Enforcement | Madison Co Sheriff | 3128 | c38 | T Encrypted |
| Madison County Law Enforcement | Madison Co Narcotics | 3130 | c3a | T Encrypted |
| Madison County Law Enforcement | Madison Co Narcotics | 3131 | c3b | T Encrypted |
| Madison County Law Enforcement | Court Security | 3132 | c3c | T Encrypted |
| Madison County Sheriff | LAW-Announcement Group | 3100 | c1c | T Encrypted |
| Madison County Sheriff | Law Enforcement Common | 3101 | c1d | T Encrypted |
| Madison County Sheriff | Law Enforcement Information | 3102 | c1e | T Encrypted |
| Madison County Sheriff | Law Enforcement Tactical | 3103 | c1f | T Encrypted |
| Madison County Sheriff | Law Enforcement Tactical | 3104 | c20 | T Encrypted |
| Madison County Sheriff | Law Enforcement Tactical | 3105 | c21 | T Encrypted |
| Madison County Sheriff | Law Enforcement Tactical | 3106 | c22 | T Encrypted |
| Madison County Sheriff | LE Tactical | 3107 | c23 | T Encrypted |
| Madison County Law Enforcement | Madison Co Supervisor | 3126 | c36 | T Encrypted |
| Madison County Law Enforcement | Madison Co -Event | 3129 | c39 | T Encrypted |
| Madison County Law Enforcement | Madison County Jail Main | 3133 | c3d | T Encrypted |
| Madison County Law Enforcement | Madison Co – Jail Main | 3134 | c3e | T Encrypted |
| Madison County Law Enforcement | Madison Co – Jail Booking | 3141 | c45 | T Encrypted |
Radio system sites in Madison County
Program the control channel first; your scanner finds the voice channels from it.
Madison County Simulcast · Bluegrass Regional Radio Network (BRRN)
RFSS 30 · Site 30 (hex 1E) · NAC 01E
Control 852.15, 852.4, 856.4875
Voice 851.0375, 851.375, 851.65, 852.8875, 853.5, 853.9, 857.4875
Big Hill North Backup Site · Bluegrass Regional Radio Network (BRRN)
RFSS 47 · Site 47 (hex 2F) · NAC 02F
Control 851.425
Voice 851.85, 853.85, 858.4875
Big Hill South · Bluegrass Regional Radio Network (BRRN)
RFSS 49 · Site 49 (hex 31) · NAC 031
Control 851.675
Voice 852.4375, 856.7375, 858.7375
Clays Ferry · KY SERVS
RFSS 3 · Site 51 (hex 33) · NAC 9C1
Control 773.93125
Voice 769.36875, 772.59375, 773.19375, 773.63125
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.
Cities & communities in Madison County
Common questions
Are Madison County police talkgroups encrypted?
21 of the 22 talkgroups listed for Madison County are marked fully or partly encrypted; a scanner cannot decode encrypted audio.