Universal Licensing System
WRKJ977
Carroll County Communications Center
License details
| ULS identifier | 4374156 |
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| Call sign | WRKJ977 |
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| Radio service | MW |
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| Status | A |
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| Grant date | 2021-01-13 |
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| Expiration | 2031-01-13 |
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| Frequency range | 10915 MHz |
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| Locations | 2 |
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| Representative location | Lake City, CARROLL, IA |
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| Coordinates | 42.1897222, -94.7268889 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:44:51 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 1 | FXO | 10915.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 10915.00000000 | | 10M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 11403 Timber Ave, Lake City, CARROLL, IA | 42.18972222, -94.72688889 | 346.000 m | MAST | 45.700 m structure / 45.700 m overall | |
| 2 | R | | 42.07644444, -94.91227778 | 392.600 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | RFS SC2-W100B | | V | 34.8000 | 230.7000 | | |
| 1 | 2 | R | RFS SB4-W100C | | | 40.1000 | 0.0000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2024-08-09 | WRKJ977 | LIAUA |
| 2022-10-01 | WRKJ977 | LIAUA |
| 2022-04-12 | WRKJ977 | LETCNS |
| 2021-01-13 | WRKJ977 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4374156 | 2026-08-02 02:44:51 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WRKJ977 | ULS 4374156 | 2026-08-02 02:44:51 |
| Status | A | ULS 4374156 | 2026-08-02 02:44:51 |
| Service | MW | ULS 4374156 | 2026-08-02 02:44:51 |
| Grant Date | 2021-01-13 | ULS 4374156 | 2026-08-02 02:44:51 |
| Expiration Date | 2031-01-13 | ULS 4374156 | 2026-08-02 02:44:51 |