About Stone City Police Frequencies
- 2 conventional channels are analog FM, so any scanner can receive them. Enter the frequency and set the tone shown in the table.
- 7 conventional channels use a digital mode (P25), which needs a scanner that decodes that mode.
- Trunked radio systems that carry law-enforcement traffic here: Iowa Department of Corrections: 23 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 Stone City, start with the Anamosa State Penitentiary site of Iowa Department of Corrections, about 3 miles away. Its control channels: 453.375, 453.65 MHz.
Jones County channels that also cover Stone City
Dispatch
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| Jones County Sheriff | Jones County Sheriff – Dispatch – Amber Tower | 151.2950 In 159.3900 | NAC 530 | P25 | KAE697 |
| Jones County Sheriff | Jones County Sheriff – Dispatch – Cascade Tower | 151.3175 In 159.3900 | NAC 530 | P25 | KAE697 |
| Jones County Sheriff | Jones County Sheriff – Dispatch – Martelle Tower | 154.1225 In 159.3900 | NAC 530 | P25 | KAE697 |
| Jones County Sheriff | Jones County Sheriff – Dispatch – Monticello Tower | 154.8225 In 159.3900 | NAC 530 | P25 | WQSH355 |
| Jones County Sheriff | Jones County Sheriff – Dispatch – Anamosa Tower | 155.6100 In 159.3900 | NAC 530 | P25 | KAE697 |
| Jones County Sheriff | Jones County Sheriff – Dispatch – Wyoming Tower | 155.7225 In 159.3900 | NAC 530 | P25 | KAE697 |
| Jones County Sheriff | Jones County Sheriff – Dispatch – Olin Tower | 155.9625 In 159.3900 | NAC 530 | P25 | WRXK771 |
Tactical
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| Jones County Sheriff | Jones County Sheriff – Tactical Channel | 155.1900 | 192.8 PL | FMN | KAE697 |
Talk-around & Car-to-Car
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| Jones County Sheriff | Sheriff Information – Mobiles | 155.9100 | FMN | KAE697 |
Iowa Department of Corrections
| Agency | Description | Talkgroup | Hex | Mode |
|---|---|---|---|---|
| Anamosa State Penitentiary | Operations | 14193 | 3771 | T |
| Anamosa State Penitentiary | Guards | 14202 | 377a | T |
| Anamosa State Penitentiary | Maintenance | 14272 | 37c0 | T |
| Fort Dodge Correctional | Operations | 46970 | b77a | D |
| Fort Dodge Correctional | Operations | 46974 | b77e | D |
| Fort Dodge Correctional | Operations | 47000 | b798 | D |
| Fort Dodge Correctional | Operations | 47040 | b7c0 | D |
| Fort Madison Prison | prison operations | 30577 | 7771 | T |
| Fort Madison Prison | prison operations (food) | 30586 | 777a | T |
| Fort Madison Prison | prison operations | 30588 | 777c | T |
| Fort Madison Prison | prison operations (460.125) | 30596 | 7784 | T |
| Fort Madison Prison | prison operations | 30616 | 7798 | T |
| Fort Madison Prison | prison operations | 30646 | 77b6 | T |
| Fort Madison Prison | prison operations | 30650 | 77ba | T |
| Fort Madison Prison | prison operations | 30656 | 77c0 | T |
| Iowa Medical and Classification Center | Operations 79738 | 79738 | 1377a | T |
| Iowa Medical and Classification Center | Operations 79738 | 79768 | 13798 | T |
| Iowa Medical and Classification Center | Operations 79778 | 79778 | 137a2 | T |
| Iowa Medical and Classification Center | Operations 79808 | 79808 | 137c0 | T |
| Mount Pleasant Prison | Prison Operations | 22394 | 577a | T |
| Newton Correctional Facility | prison operations | 71546 | 1177a | T |
| Newton Correctional Facility | prison operations | 71550 | 1177e | T |
| Newton Correctional Facility | prison operations | 71586 | 117a2 | T |
Nearest trunked radio sites
Distances are measured from the center of Stone City.
Anamosa State Penitentiary · Iowa Department of Corrections
Site 33 (hex 21) · about 3 mi away
Control 453.375, 453.65
Voice 453.975
Anamosa · Iowa Statewide Interoperable Communications System (ISICS)
RFSS 1 · Site 49 (hex 31) · NAC 4C4 · about 6 mi away
Control 773.84375, 774.09375, 774.34375
Voice 773.59375
Linn/Johnson Co Simulcast · Iowa Statewide Interoperable Communications System (ISICS)
RFSS 1 · Site 13 (hex D) · NAC 4C0 · about 24 mi away
Control 769.91875, 770.16875, 770.41875
Voice 769.66875
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 Stone City?
We do not have a dispatch channel listed specifically for Stone City. County-level dispatch channels in the same county: Jones County Sheriff 151.2950 MHz (NAC 530); Jones County Sheriff 151.3175 MHz (NAC 530); Jones County Sheriff 154.1225 MHz (NAC 530); Jones County Sheriff 154.8225 MHz (NAC 530).