Universal Licensing System
WRKH794
COOK COUNTY SHERIFF'S POLICE
License details
| ULS identifier | 4371182 |
|---|
| Call sign | WRKH794 |
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| Radio service | MW |
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| Status | A |
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| Grant date | 2021-01-06 |
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| Expiration | 2031-01-06 |
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| Frequency range | 17875 MHz |
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| Locations | 2 |
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| Representative location | Chicago, COOK, IL |
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| Coordinates | 41.6847500, -87.6625000 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:45:17 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 17875.00000000 | | | | | |
| 1 | 1 | FXO | 17875.00000000 | | | | | |
| 1 | 1 | FXO | 17875.00000000 | | | | | |
| 1 | 1 | FXO | 17875.00000000 | | | | | |
| 1 | 1 | FXO | 17875.00000000 | | | | | |
| 1 | 1 | FXO | 17875.00000000 | | | | | |
| 1 | 1 | FXO | 17875.00000000 | | | | | |
| 1 | 1 | FXO | 17875.00000000 | | | | | |
| 1 | 1 | FXO | 17875.00000000 | | | | | |
| 1 | 1 | FXO | 17875.00000000 | | | | | |
| 1 | 1 | FXO | 17875.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 17875.00000000 | | 30M0D7W |
| 1 | 1 | 17875.00000000 | | 30M0D7W |
| 1 | 1 | 17875.00000000 | | 30M0D7W |
| 1 | 1 | 17875.00000000 | | 30M0D7W |
| 1 | 1 | 17875.00000000 | | 30M0D7W |
| 1 | 1 | 17875.00000000 | | 30M0D7W |
| 1 | 1 | 17875.00000000 | | 30M0D7W |
| 1 | 1 | 17875.00000000 | | 30M0D7W |
| 1 | 1 | 17875.00000000 | | 30M0D7W |
| 1 | 1 | 17875.00000000 | | 30M0D7W |
| 1 | 1 | 17875.00000000 | | 30M0G7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1629 W 115th Street, Chicago, COOK, IL | 41.68475000, -87.66250000 | 184.100 m | POLE | 17.000 m structure / 18.000 m overall | |
| 2 | R | | 41.70469444, -87.65722222 | 190.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Cambium Networks, LTD N180082D031A | | V | 34.6000 | 11.6000 | | |
| 1 | 2 | R | Cambium Networks, LTD N180082D031A | | | 34.6000 | 0.0000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2021-04-20 | WRKH794 | LIAUA |
| 2021-01-06 | WRKH794 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4371182 | 2026-08-02 02:45:17 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRKH794 | ULS 4371182 | 2026-08-02 02:45:17 |
| Status | A | ULS 4371182 | 2026-08-02 02:45:17 |
| Service | MW | ULS 4371182 | 2026-08-02 02:45:17 |
| Grant Date | 2021-01-06 | ULS 4371182 | 2026-08-02 02:45:17 |
| Expiration Date | 2031-01-06 | ULS 4371182 | 2026-08-02 02:45:17 |