Universal Licensing System
WZU638
ILLINOIS STATE POLICE
License details
| ULS identifier | 1238828 |
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| Call sign | WZU638 |
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| Radio service | PW |
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| Status | A |
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| Grant date | 2022-06-17 |
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| Expiration | 2032-08-18 |
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| Frequency range | 453.325 - 458.875 MHz (6 frequencies) |
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| Locations | 1 |
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| Representative location | CAVE IN ROCK, HARDIN, IL |
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| Coordinates | 37.5300556, -88.1666944 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:13:20 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 453.32500000 | | | 25.000000 | 55.000000 | |
| 1 | 1 | FB | 453.35000000 | | | 25.000000 | 60.000000 | |
| 1 | 1 | FB | 453.87500000 | | | 25.000000 | 75.000000 | |
| 1 | 1 | FX1 | 458.32500000 | | | 25.000000 | 55.000000 | |
| 1 | 1 | FX1 | 458.35000000 | | | 25.000000 | 60.000000 | |
| 1 | 1 | FX1 | 458.87500000 | | | 25.000000 | 75.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 453.32500000 | | 11K2F3E |
| 1 | 1 | 453.35000000 | | 11K2F3E |
| 1 | 1 | 453.87500000 | | 11K2F3E |
| 1 | 1 | 458.32500000 | | 11K2F3E |
| 1 | 1 | 458.35000000 | | 11K2F3E |
| 1 | 1 | 458.87500000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | HARDIN PUBLIC WORKS PROGRAM RT 1 4 MI N, CAVE IN ROCK, HARDIN, IL | 37.53005556, -88.16669444 | 172.000 m | | | 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 | 1301 Concordia Court, Springfield, IL | HARDIN | 2175582200 |
License history
| Date | File or call sign | Action |
|---|
| 2026-06-02 | WZU638 | LIAUA |
| 2022-06-17 | WZU638 | LIREN |
| 2022-05-23 | WZU638 | LETRES |
| 2021-07-24 | WZU638 | LIAUA |
| 2021-06-23 | WZU638 | LIAUA |
| 2014-12-09 | WZU638 | LIAUA |
| 2014-12-08 | WZU638 | ESUAPR |
| 2013-03-15 | WZU638 | LIMOD |
| 2013-03-14 | WZU638 | ESUAPR |
| 2012-06-27 | WZU638 | LIAUA |
| 2012-06-26 | WZU638 | ESUAPR |
| 2012-06-06 | WZU638 | LIREN |
| 2012-05-28 | WZU638 | LETRES |
| 2012-05-20 | WZU638 | ESURNW |
| 2010-09-29 | WZU638 | LIMOD |
| 2010-07-26 | WZU638 | ESUAPR |
| 2010-02-10 | WZU638 | LIAUA |
| 2010-02-09 | WZU638 | ESUAPR |
| 2009-02-25 | WZU638 | LIAUA |
| 2009-02-24 | WZU638 | ESCAPR |
| 2002-05-21 | WZU638 | LIREN |
| 2002-04-30 | WZU638 | AUDOPR |
| 2000-10-20 | WZU638 | LICCNV |
| 1997-06-11 | WZU638 | LIREN |
| 1997-06-11 | WZU638 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1238828 | 2026-08-02 01:13:20 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WZU638 | ULS 1238828 | 2026-08-02 01:13:20 |
| Status | A | ULS 1238828 | 2026-08-02 01:13:20 |
| Service | PW | ULS 1238828 | 2026-08-02 01:13:20 |
| Grant Date | 2022-06-17 | ULS 1238828 | 2026-08-02 01:13:20 |
| Expiration Date | 2032-08-18 | ULS 1238828 | 2026-08-02 01:13:20 |