Universal Licensing System
WRDM444
AT&T Mobility Spectrum, LLC
License details
| ULS identifier | 4166866 |
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| Call sign | WRDM444 |
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| Radio service | CF |
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| Status | A |
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| Grant date | 2019-06-04 |
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| Expiration | 2029-06-04 |
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| Frequency range | 6197.24 - 6345.49 MHz (4 frequencies) |
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| Locations | 2 |
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| Representative location | IOLA, GRIMES, TX |
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| Coordinates | 30.7781389, -96.0755278 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:47:19 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 2 | FXO | 6197.24000000 | | | | | |
| 1 | 2 | FXO | 6256.54000000 | | | | | |
| 1 | 1 | FXO | 6286.19000000 | | | | | |
| 1 | 1 | FXO | 6345.49000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 2 | 6197.24000000 | | 27M3D7W |
| 1 | 2 | 6256.54000000 | | 27M3D7W |
| 1 | 1 | 6286.19000000 | | 27M3D7W |
| 1 | 1 | 6345.49000000 | | 27M3D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 7096 COUNTY ROAD 118, IOLA, GRIMES, TX | 30.77813889, -96.07552778 | 100.900 m | LTOWER | 94.500 m structure / 98.100 m overall | |
| 2 | R | | 30.80027778, -96.25063889 | 102.400 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | ANDREW CORPORATION VHLPX6-6WB | | H | 39.3000 | 278.4000 | | |
| 1 | 2 | R | ANDREW CORPORATION PARX6-59A | | | 37.9000 | | | |
| 2 | 1 | T | ANDREW CORPORATION VHLPX6-6WB | | V | 39.3000 | 278.4000 | | |
| 2 | 2 | R | ANDREW CORPORATION PARX6-59A | | | 37.9000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2025-09-04 | WRDM444 | LIAUA |
| 2024-01-25 | WRDM444 | LIAUA |
| 2023-01-18 | WRDM444 | LIAUA |
| 2023-01-12 | WRDM444 | LIAUA |
| 2020-09-09 | WRDM444 | LETCNS |
| 2019-06-04 | WRDM444 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4166866 | 2026-08-02 02:47:19 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDM444 | ULS 4166866 | 2026-08-02 02:47:19 |
| Status | A | ULS 4166866 | 2026-08-02 02:47:19 |
| Service | CF | ULS 4166866 | 2026-08-02 02:47:19 |
| Grant Date | 2019-06-04 | ULS 4166866 | 2026-08-02 02:47:19 |
| Expiration Date | 2029-06-04 | ULS 4166866 | 2026-08-02 02:47:19 |