Universal Licensing System
KTB331
ILLINOIS STATE POLICE
License details
| ULS identifier | 1239096 |
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| Call sign | KTB331 |
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| Radio service | PW |
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| Status | A |
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| Grant date | 2022-08-10 |
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| Expiration | 2032-11-06 |
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| Frequency range | 453.35 - 458.875 MHz (6 frequencies) |
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| Locations | 1 |
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| Representative location | DWIGHT, LIVINGSTON, IL |
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| Coordinates | 41.0916944, -88.4292222 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-16 06:47:43 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 453.35000000 | | | 15.000000 | 45.000000 | |
| 1 | 1 | FB | 453.60000000 | | | 15.000000 | 45.000000 | |
| 1 | 1 | FB | 453.87500000 | | | 15.000000 | 45.000000 | |
| 1 | 1 | FX1 | 458.35000000 | | | 15.000000 | 45.000000 | |
| 1 | 1 | FX1 | 458.60000000 | | | 15.000000 | 45.000000 | |
| 1 | 1 | FX1 | 458.87500000 | | | 15.000000 | 45.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 453.35000000 | | 11K2F3E |
| 1 | 1 | 453.60000000 | | 11K2F3E |
| 1 | 1 | 453.87500000 | | 11K2F3E |
| 1 | 1 | 458.35000000 | | 11K2F3E |
| 1 | 1 | 458.60000000 | | 11K2F3E |
| 1 | 1 | 458.87500000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | DWIGHT CORRECTIONAL CTR, DWIGHT, LIVINGSTON, IL | 41.09169444, -88.42922222 | 194.000 m | | 9.000 m structure / 9.000 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 11.000 m | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | Dwight Correctional Center, Dwight, IL | LIVINGSTON | 8155842806 |
License history
| Date | File or call sign | Action |
|---|
| 2026-06-02 | KTB331 | LIAUA |
| 2022-08-10 | KTB331 | LIREN |
| 2021-07-24 | KTB331 | LIAUA |
| 2021-06-23 | KTB331 | LIAUA |
| 2014-08-30 | KTB331 | LIAUA |
| 2014-08-29 | KTB331 | ESUAPR |
| 2013-02-23 | KTB331 | LIMOD |
| 2013-02-22 | KTB331 | ESUAPR |
| 2012-08-09 | KTB331 | LIREN |
| 2012-04-26 | KTB331 | LIAUA |
| 2012-04-25 | KTB331 | ESUAPR |
| 2010-09-27 | KTB331 | LIMOD |
| 2010-07-13 | KTB331 | ESUAPR |
| 2010-02-10 | KTB331 | LIAUA |
| 2010-02-09 | KTB331 | ESUAPR |
| 2009-02-25 | KTB331 | LIAUA |
| 2009-02-24 | KTB331 | ESCAPR |
| 2002-08-23 | KTB331 | LIREN |
| 2002-08-12 | KTB331 | LETRES |
| 2002-04-30 | KTB331 | AUDOPR |
| 2000-10-20 | KTB331 | LICCNV |
| 1997-09-10 | KTB331 | AUTHPR |
| 1997-09-10 | KTB331 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1239096 | 2026-08-16 06:47:43 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KTB331 | ULS 1239096 | 2026-08-16 06:47:43 |
| Status | A | ULS 1239096 | 2026-08-16 06:47:43 |
| Service | PW | ULS 1239096 | 2026-08-16 06:47:43 |
| Grant Date | 2022-08-10 | ULS 1239096 | 2026-08-16 06:47:43 |
| Expiration Date | 2032-11-06 | ULS 1239096 | 2026-08-16 06:47:43 |