About Afton Police Frequencies
- 3 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: South Dakota State Radio System: 5 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 Afton, start with the Brookings site of South Dakota State Radio System, about 6 miles away. Its control channels: 157.92, 158.04 MHz.
Brookings County channels that also cover Afton
Dispatch
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| Brookings County Sheriff | Brookings County Sheriff – Dispatch | 453.6500 In 458.6500 | 167.9 PL | FM | KNNM907 |
| South Dakota State University (SDSU) | Campus Police | 453.3500 In 458.3500 | 118.8 PL | FMN | KXA208 |
| South Dakota State University (SDSU) | Campus Police | 460.0750 In 465.0750 | 115 DPL | FMN | KXA208 |
South Dakota State Radio System
| Agency | Description | Talkgroup | Hex | Mode |
|---|---|---|---|---|
| Brookings County Sheriff | SDSU Campus Police | 1369 | 559 | D |
| Brookings County Sheriff | Brookings County Sheriff – Dispatch | 1376 | 560 | D |
| Brookings County Sheriff | Law 1 | 1377 | 561 | D |
| Brookings County Sheriff | Law 2 | 1378 | 562 | D |
| Brookings County Sheriff | Law 3 | 1379 | 563 | D |
Nearest trunked radio sites
Distances are measured from the center of Afton.
Brookings · South Dakota State Radio System
RFSS 1 · Site 39 (hex 27) · NAC 475 · about 6 mi away
Control 157.92, 158.04
Voice 157.8, 158.61
Toronto · South Dakota State Radio System
RFSS 1 · Site 34 (hex 22) · NAC 47F · about 13 mi away
Control 157.5, 157.845, 159.975
Voice 155.685, 160.335
Watertown · South Dakota State Radio System
RFSS 1 · Site 41 (hex 29) · NAC 477 · about 37 mi away
Control 157.89, 158.67
Voice 158.01, 158.52
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 Afton?
We do not have a dispatch channel listed specifically for Afton. County-level dispatch channels in the same county: Brookings County Sheriff 453.6500 MHz (167.9 PL).