Universal Licensing System
WRFC997
AT&T Mobility Spectrum, LLC
License details
| ULS identifier | 4247144 |
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| Call sign | WRFC997 |
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| Radio service | CF |
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| Status | A |
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| Grant date | 2020-02-04 |
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| Expiration | 2030-02-04 |
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| Frequency range | 6625 - 6655 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | MAMMOTH LAKES, MONO, CA |
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| Coordinates | 37.5448056, -118.6318889 |
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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 | 1 | FXO | 6625.00000000 | | | | | |
| 1 | 2 | FXO | 6655.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 6625.00000000 | | 30M0D7W |
| 1 | 2 | 6655.00000000 | | 30M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | SHERWIN SUMMIT AND HIGHWAY 395, MAMMOTH LAKES, MONO, CA | 37.54480556, -118.63188889 | 2211.300 m | MTOWER | 21.300 m structure / 21.300 m overall | N |
| 2 | R | | 37.76508333, -118.98194444 | 2584.400 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | ANDREW CORPORATION USX8-6W | | H | 41.6000 | 308.5000 | | |
| 1 | 2 | R | ANDREW CORPORATION USX8-6W | | | 41.6000 | | | |
| 2 | 1 | T | ANDREW CORPORATION USX8-6W | | V | 41.6000 | 308.5000 | | |
| 2 | 2 | R | ANDREW CORPORATION USX8-6W | | | 41.6000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2025-09-04 | WRFC997 | LIAUA |
| 2024-01-25 | WRFC997 | LIAUA |
| 2023-01-18 | WRFC997 | LIAUA |
| 2023-01-12 | WRFC997 | LIAUA |
| 2022-04-22 | WRFC997 | LIMOD |
| 2020-02-04 | WRFC997 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4247144 | 2026-08-02 02:47:19 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRFC997 | ULS 4247144 | 2026-08-02 02:47:19 |
| Status | A | ULS 4247144 | 2026-08-02 02:47:19 |
| Service | CF | ULS 4247144 | 2026-08-02 02:47:19 |
| Grant Date | 2020-02-04 | ULS 4247144 | 2026-08-02 02:47:19 |
| Expiration Date | 2030-02-04 | ULS 4247144 | 2026-08-02 02:47:19 |