About St. John Police Frequencies
- 10 conventional channels are analog FM, so any scanner can receive them. Enter the frequency and set the tone shown in the table.
Aroostook County channels that also cover St. John
Dispatch
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| Aroostook County Sheriff | Central Tower | 155.1000 | 141.3 PL | FMN | KXB489 |
| Aroostook County Sheriff | South Tower | 155.8725 | 136.5 PL | FMN | KXB489 |
| Aroostook County Sheriff | North Tower | 155.9025 | 146.2 PL | FMN | KXB489 |
Talk-around & Car-to-Car
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| Aroostook County Sheriff | Aroostook County Sheriff – Alternate | 153.9800 | FMN | — | |
| Aroostook County Sheriff | Aroostook County Sheriff – Alternate | 153.9875 | FMN | KXB489 | |
| Aroostook County Sheriff | Aroostook County Sheriff – Alternate | 154.0550 | FMN | KDL877 | |
| Aroostook County Sheriff | Car-to-Car | 155.0100 | CSQ | FMN | KXB489 |
| Aroostook County Sheriff | Aroostook County Sheriff – Alternate | 155.8650 | FMN | — | |
| Aroostook County Sheriff | Aroostook County Sheriff – Alternate | 155.8950 | FMN | — | |
| Aroostook County Sheriff | Aroostook County Sheriff – Alternate | 460.2500 In 465.2500 | FMN | KXB489 |
Nearest trunked radio sites
Distances are measured from the center of St. John.
Saint Francis · Maine State Communications Network (MSCommNet)
RFSS 73 · Site 73 (hex 49) · NAC 49E · about 7 mi away
Control 152.33, 158.8275, 159.4575
Cyr Mountain · Maine State Communications Network (MSCommNet)
RFSS 23 · Site 23 (hex 17) · NAC 17E · about 23 mi away
Control 151.3175, 159.7275
New Sweden · Maine State Communications Network (MSCommNet)
RFSS 51 · Site 51 (hex 33) · NAC 33E · about 32 mi away
Control 151.2125, 159.27
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 St. John?
We do not have a dispatch channel listed specifically for St. John. County-level dispatch channels in the same county: Aroostook County Sheriff 155.1000 MHz (141.3 PL); Aroostook County Sheriff 155.8725 MHz (136.5 PL); Aroostook County Sheriff 155.9025 MHz (146.2 PL).