Universal Licensing System
WRKF909
AT&T Mobility Spectrum, LLC
License details
| ULS identifier | 4368539 |
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| Call sign | WRKF909 |
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| Radio service | CF |
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| Status | A |
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| Grant date | 2020-12-29 |
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| Expiration | 2030-12-29 |
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| Frequency range | 10855 - 10895 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | Julian, SAN DIEGO, CA |
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| Coordinates | 33.0779444, -116.4388333 |
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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 | 10855.00000000 | | | | | |
| 1 | 1 | FXO | 10895.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 2 | 10855.00000000 | | 40M0D7W |
| 1 | 1 | 10895.00000000 | | 40M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 7217 Great Southern Overland Stage Route, Julian, SAN DIEGO, CA | 33.07794444, -116.43883333 | 704.100 m | LTOWER | 24.400 m structure / 24.400 m overall | |
| 2 | R | | 33.06591667, -116.57238889 | 1425.500 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | ANDREW CORPORATION VHLPX4-11WA | | H | 40.7000 | 263.9000 | | |
| 1 | 2 | R | ANDREW CORPORATION VHLPX4-11WA | | | 40.7000 | | | |
| 2 | 1 | T | ANDREW CORPORATION VHLPX4-11WA | | V | 40.7000 | 263.9000 | | |
| 2 | 2 | R | ANDREW CORPORATION VHLPX4-11WA | | | 40.7000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2025-09-04 | WRKF909 | LIAUA |
| 2024-01-25 | WRKF909 | LIAUA |
| 2023-01-18 | WRKF909 | LIAUA |
| 2023-01-12 | WRKF909 | LIAUA |
| 2020-12-29 | WRKF909 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4368539 | 2026-08-02 02:47:19 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WRKF909 | ULS 4368539 | 2026-08-02 02:47:19 |
| Status | A | ULS 4368539 | 2026-08-02 02:47:19 |
| Service | CF | ULS 4368539 | 2026-08-02 02:47:19 |
| Grant Date | 2020-12-29 | ULS 4368539 | 2026-08-02 02:47:19 |
| Expiration Date | 2030-12-29 | ULS 4368539 | 2026-08-02 02:47:19 |