About St. Mary Parish 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: Louisiana Wireless Information Network (LWIN): 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 St. Mary Parish, start with the Berwick site of Louisiana Wireless Information Network (LWIN). Its control channels: 769.66875, 769.91875 MHz.
St. Mary Parish conventional frequencies
Dispatch
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| Chitimacha Tribe of Louisanna | Tribal Police | 158.8500 | 156.7 PL | FMN | WNPG343 |
St. Mary Parish trunked talkgroups
Louisiana Wireless Information Network (LWIN)
| Agency | Description | Talkgroup | Hex | Mode |
|---|---|---|---|---|
| St. Mary Parish - Public Safety | St. Mary Parish – Public Safety – Dispatch | 21021 | 521d | D |
| St. Mary Parish - Public Safety | Chitimacha Tribal Police | 21035 | 522b | D |
| St. Mary Parish - Public Safety | Morgan City Police Dispatch | 21041 | 5231 | D |
| St. Mary Parish - Public Safety | St. Mary Parish – Public Safety – Alternate | 21022 | 521e | D |
Radio system sites in St. Mary Parish
Program the control channel first; your scanner finds the voice channels from it.
Berwick · Louisiana Wireless Information Network (LWIN)
RFSS 1 · Site 20 (hex 14)
Control 769.66875, 769.91875
Voice 769.30625, 770.55625, 770.71875, 770.96875, 771.40625, 771.66875, 772.29375
Baldwin · Louisiana Wireless Information Network (LWIN)
RFSS 1 · Site 51 (hex 33)
Control 774.55625, 774.83125
Voice 769.70625, 770.18125, 770.68125, 773.03125, 773.31875, 774.03125, 774.33125
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 St. Mary Parish
Common questions
Are St. Mary Parish police talkgroups encrypted?
None of the 4 talkgroups listed for St. Mary Parish are marked encrypted.