Universal Licensing System
WRKN204
Ameren Services Company
License details
| ULS identifier | 4378272 |
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| Call sign | WRKN204 |
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| Radio service | MG |
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| Status | E |
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| Grant date | 2021-01-21 |
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| Expiration | 2021-03-22 |
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| Cancellation | 2021-05-22 |
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| Frequency range | 928.55625 - 952.55625 MHz (2 frequencies) |
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| Locations | 1 |
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| Representative location | YATES CITY, KNOX, IL |
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| Coordinates | 40.7772222, -90.0050000 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:47:34 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 3 | FXO | 928.55625000 | | | | | |
| 1 | 1 | FXO | 952.55625000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 3 | 928.55625000 | | 11K2F1D |
| 1 | 1 | 952.55625000 | | 11K2F1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1/4 MI S, YATES CITY, KNOX, IL | 40.77722222, -90.00500000 | 207.300 m | GTOWER | 91.400 m structure / 96.900 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | DECIBEL PRODUCTS DB809K | | V | 11.2000 | 360.0000 | | |
| 2 | 1 | R | Kathrein Inc., Scala Divi RY-900 (V) | | | 12.2000 | | | |
| 3 | 1 | T | Kathrein Inc., Scala Divi RY-900 (V) | | V | 12.2000 | 999.0000 | | |
| 4 | 1 | R | DECIBEL PRODUCTS DB809K | | | 11.2000 | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1901 Chouteau Ave., SAINT LOUIS, MO | | 3145543545 |
Special conditions
| Type | Condition code |
|---|
| P | 1036 |
| T | 1003 |
License history
| Date | File or call sign | Action |
|---|
| 2021-05-22 | WRKN204 | LIEXP |
| 2021-01-21 | WRKN204 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4378272 | 2026-08-02 02:47:34 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRKN204 | ULS 4378272 | 2026-08-02 02:47:34 |
| Status | E | ULS 4378272 | 2026-08-02 02:47:34 |
| Service | MG | ULS 4378272 | 2026-08-02 02:47:34 |
| Grant Date | 2021-01-21 | ULS 4378272 | 2026-08-02 02:47:34 |
| Expiration Date | 2021-03-22 | ULS 4378272 | 2026-08-02 02:47:34 |
| Cancellation Date | 2021-05-22 | ULS 4378272 | 2026-08-02 02:47:34 |