Universal Licensing System
KNJR570
ILLINOIS STATE POLICE
License details
| ULS identifier | 1255417 |
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| Call sign | KNJR570 |
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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 | 2032-10-16 |
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| Frequency range | 154.935 - 155.475 MHz (3 frequencies) |
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| Locations | 1 |
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| Representative location | CHESTER, RANDOLPH, IL |
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| Coordinates | 37.9170000, -89.8481667 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:13:22 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 154.93500000 | | | 100.000000 | 315.000000 | |
| 1 | 1 | FB | 155.46000000 | | | 100.000000 | 315.000000 | |
| 1 | 1 | FB | 155.47500000 | | | 100.000000 | 315.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 154.93500000 | | 11K2F3E |
| 1 | 1 | 155.46000000 | | 11K2F3E |
| 1 | 1 | 155.47500000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | MENARD CORRECTIONAL CENTER, CHESTER, RANDOLPH, IL | 37.91700000, -89.84816667 | 171.000 m | TOWER | 30.000 m structure / 37.000 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 37.000 m | | | | 75.000 | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1391 S Washington St, DuQuoin, IL | PERRY | 6185422171 |
License history
| Date | File or call sign | Action |
|---|
| 2026-06-02 | KNJR570 | LIAUA |
| 2022-08-10 | KNJR570 | LIREN |
| 2022-07-25 | KNJR570 | LETRES |
| 2022-07-18 | KNJR570 | ESURNW |
| 2021-07-24 | KNJR570 | LIAUA |
| 2021-06-23 | KNJR570 | LIAUA |
| 2014-08-28 | KNJR570 | LIAUA |
| 2014-08-27 | KNJR570 | ESUAPR |
| 2014-01-16 | KNJR570 | LIMOD |
| 2014-01-15 | KNJR570 | ESUAPR |
| 2013-03-12 | KNJR570 | LIMOD |
| 2013-02-21 | KNJR570 | ESUAPR |
| 2012-07-19 | KNJR570 | LIREN |
| 2012-04-17 | KNJR570 | LIAUA |
| 2012-04-16 | KNJR570 | ESUAPR |
| 2010-07-26 | KNJR570 | LIMOD |
| 2010-05-28 | KNJR570 | ESUAPR |
| 2009-02-25 | KNJR570 | LIAUA |
| 2009-02-24 | KNJR570 | ESCAPR |
| 2002-07-20 | KNJR570 | LIREN |
| 2002-04-30 | KNJR570 | AUDOPR |
| 2000-10-20 | KNJR570 | LICCNV |
| 1997-10-17 | KNJR570 | AUTHPR |
| 1997-10-16 | KNJR570 | LIRMD |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1255417 | 2026-08-02 01:13:22 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KNJR570 | ULS 1255417 | 2026-08-02 01:13:22 |
| Status | A | ULS 1255417 | 2026-08-02 01:13:22 |
| Service | PW | ULS 1255417 | 2026-08-02 01:13:22 |
| Grant Date | 2022-08-10 | ULS 1255417 | 2026-08-02 01:13:22 |
| Expiration Date | 2032-10-16 | ULS 1255417 | 2026-08-02 01:13:22 |