About Rochester Police Frequencies
- 6 conventional channels are analog FM, so any scanner can receive them. Enter the frequency and set the tone shown in the table.
- Trunked radio systems that carry law-enforcement traffic here: TCERN (Thurston County Emergency Radio Network): 26 talkgroups; WA State Patrol: 25 talkgroups; Washington State Capitol: 3 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 Rochester, start with the S Thurston Simulcast site of TCERN (Thurston County Emergency Radio Network), about 9 miles away. Its control channels: 770.53125, 773.16875, 774.15625 MHz.
- 8 listed entries are marked encrypted. No scanner can decode encrypted audio.
Thurston County channels that also cover Rochester
Dispatch
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| Evergreen State College | Evergreen State College Police | 156.0450 | 100.0 PL | FMN | — |
| Thurston County Sheriff | Thurston County Sheriff – Dispatch | 155.5500 In 154.8300 | 136.5 PL | FMN | WYC826 |
| Thurston County Sheriff | Thurston County Sheriff – Tactical Channel | 156.1500 In 155.0700 | 88.5 PL | FMN | KNAS381 |
Tactical
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| Thurston County Sheriff | Sheriff Jeep Patrol | 155.2800 | FMN | KB61831 |
Talk-around & Car-to-Car
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| Evergreen State College | Evergreen State College Police | 151.4600 In 156.0450 | 100.0 PL | FMN | — |
| Nisqually Indian Reservation | Nisqually Tribal Police C2C | 166.6375 | FMN | — |
TCERN (Thurston County Emergency Radio Network)
| Agency | Description | Talkgroup | Hex | Mode |
|---|---|---|---|---|
| Washington State | Washington State Police Olympia | 50210 | c422 | D |
| Thurston County Sheriff | LAW MS SCAN | 50200 | c418 | D |
| Thurston County Sheriff | PC LE 11 @TC | 50220 | c42c | D |
| Thurston County Sheriff | LAW OPS1 Tc | 50501 | c545 | D |
| Thurston County Sheriff | LAW OPS2 | 50503 | c547 | D |
| Thurston County Sheriff | LAW OPS3 LpTp | 50505 | c549 | D |
| Thurston County Sheriff | LAW OPS4 Op | 50507 | c54b | D |
| Thurston County Sheriff | LAW DATA | 50509 | c54d | D |
| Thurston County Sheriff | TCSO Training | 50784 | c660 | D |
| Thurston County Sheriff | Lacey CAR | 50758 | c646 | D |
| Thurston County Sheriff | Lacey CAR | 50759 | c647 | D |
| Thurston County Sheriff | Lacey Training | 50760 | c648 | D |
| Thurston County Sheriff | OPD CAR1 | 50768 | c650 | D |
| Thurston County Sheriff | OPD Training | 50769 | c651 | D |
| Thurston County Sheriff | TCSO CAR | 50783 | c65f | D |
| Thurston County Sheriff | TW CAR | 50790 | c666 | D |
| Thurston County Sheriff | YPD YPW | 50796 | c66c | D |
| Thurston County Sheriff | YELM CAR | 50797 | c66d | D |
8 encrypted talkgroups (cannot be monitored)
| Agency | Description | Talkgroup | Hex | Mode |
|---|---|---|---|---|
| Thurston County Sheriff | EMER LAW | 50500 | c544 | D Encrypted |
| Thurston County Sheriff | LAW Tactical 1 Tc | 50502 | c546 | D Encrypted |
| Thurston County Sheriff | LAW Tactical 2 | 50504 | c548 | D Encrypted |
| Thurston County Sheriff | LAW Tactical 3 LpTp | 50506 | c54a | D Encrypted |
| Thurston County Sheriff | LAW Tactical 4 Op | 50508 | c54c | D Encrypted |
| Thurston County Sheriff | LAW Tactical 5ALL | 50510 | c54e | D Encrypted |
| Thurston County Sheriff | LAW Tactical 6ALL | 50511 | c54f | D Encrypted |
| Thurston County Sheriff | SWAT | 50610 | c5b2 | D Encrypted |
WA State Patrol
| Agency | Description | Talkgroup | Hex | Mode |
|---|---|---|---|---|
| WSP District 1 | Olympia Area | 59108 | e6e4 | T |
| WSP District 1 | East Pierce | 59109 | e6e5 | T |
| WSP District 1 | West Pierce Tacoma | 59110 | e6e6 | T |
| WSP District 2 | Seattle Metro Dispatch | 59208 | e748 | T |
| WSP District 2 | South King Dispatch | 59210 | e74a | T |
| WSP District 2 | King Dispatch | 59211 | e74b | D |
| WSP District 2 | District 2 Area | 59212 | e74c | D |
| WSP District 5 | District 5 Lewis County Dispatch | 59508 | e874 | T |
| WSP District 6 | WSP District 6, Okanogan County | 59611 | e8db | T |
| WSP District 7 | D7 Bellingham Area | 59708 | e93c | T |
| WSP District 7 | D7 West Snohomish County | 59709 | e93d | T |
| WSP District 7 | D7 Mt. Vernon Area | 59710 | e93e | T |
| WSP District 7 | D7 Dispatch A11 | 59711 | e93f | T |
| WSP District 8 | Bremerton Area | 59808 | e9a0 | D |
| WSP District 1 | Car | 59101 | e6dd | T |
| WSP District 1 | Car | 59102 | e6de | T |
| WSP District 1 | Car | 59103 | e6df | T |
| WSP District 2 | Car | 59201 | e741 | T |
| WSP District 7 | D7 Car | 59701 | e935 | T |
| WSP District 7 | D7 Car | 59702 | e936 | T |
| WSP District 8 | Car | 59801 | e999 | T |
| WSP District 8 | Car | 59802 | e99a | T |
| WSP District 1 | WSP Academy Olympia | 59950 | ea2e | T |
| WSP District 2 | Car 2 Seattle Metro/North | 59202 | e742 | T |
| WSP District 2 | Car 2 South | 59203 | e743 | T |
Washington State Capitol
| Agency | Description | Talkgroup | Hex | Mode |
|---|---|---|---|---|
| All | Operations | 16400 | 4010 | D |
| All | Special Operations | 16432 | 4030 | D |
| All | Auxilary | 16 | 10 | D |
Nearest trunked radio sites
Distances are measured from the center of Rochester.
S Thurston Simulcast · TCERN (Thurston County Emergency Radio Network)
RFSS 1 · Site 2 (hex 2) · NAC AF2 · about 9 mi away
Control 770.53125, 773.16875, 774.15625, 774.40625
Voice 769.09375, 770.03125
Capitol Peak · WA State Patrol
RFSS 2 · Site 4 (hex 4) · NAC 9C0 · about 11 mi away
Control 773.04375, 773.29375
Voice 773.54375, 773.79375, 774.04375, 774.29375
Primary · Washington State Capitol
Site 1 (hex 1) · about 17 mi away
Control 856.7375
Voice 855.7375, 857.7375, 858.7375, 859.7375
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 Rochester?
We do not have a dispatch channel listed specifically for Rochester. County-level dispatch channels in the same county: Thurston County Sheriff 155.5500 MHz (136.5 PL); Thurston County Sheriff 156.1500 MHz (88.5 PL).