Universal Licensing System
WRFS318
AT&T Mobility Spectrum, LLC
License details
| ULS identifier | 4273403 |
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| Call sign | WRFS318 |
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| Radio service | CF |
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| Status | A |
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| Grant date | 2020-04-21 |
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| Expiration | 2030-04-21 |
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| Frequency range | 23025 - 23175 MHz (4 frequencies) |
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| Locations | 2 |
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| Representative location | San Bernardino, SAN BERNARDINO, CA |
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| Coordinates | 34.3134167, -117.4780556 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:47:18 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 3 | FXO | 23025.00000000 | | | | | |
| 1 | 4 | FXO | 23075.00000000 | | | | | |
| 1 | 3 | FXO | 23125.00000000 | | | | | |
| 1 | 4 | FXO | 23175.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 3 | 23025.00000000 | | 50M0D7W |
| 1 | 4 | 23075.00000000 | | 50M0D7W |
| 1 | 3 | 23125.00000000 | | 50M0D7W |
| 1 | 4 | 23175.00000000 | | 50M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 8316 HWY 138, San Bernardino, SAN BERNARDINO, CA | 34.31341667, -117.47805556 | 957.400 m | MTOWER | 30.800 m structure / 30.800 m overall | N |
| 2 | R | | 34.30580556, -117.46600000 | 918.100 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 3 | 1 | T | ANDREW CORPORATION VHLPX2-23B | | V | 40.5000 | 127.3000 | | |
| 3 | 2 | R | ANDREW CORPORATION VHLPX2-23B | | | 40.5000 | | | |
| 4 | 1 | T | ANDREW CORPORATION VHLPX2-23B | | H | 40.5000 | 127.3000 | | |
| 4 | 2 | R | ANDREW CORPORATION VHLPX2-23B | | | 40.5000 | | | |
Special conditions
| Type | Condition code |
|---|
| P | 4020 |
| P | 5106 |
License history
| Date | File or call sign | Action |
|---|
| 2025-09-04 | WRFS318 | LIAUA |
| 2024-01-25 | WRFS318 | LIAUA |
| 2023-01-18 | WRFS318 | LIAUA |
| 2023-01-12 | WRFS318 | LIAUA |
| 2022-10-07 | WRFS318 | LIMOD |
| 2022-06-02 | WRFS318 | LIMOD |
| 2021-02-11 | WRFS318 | LIMOD |
| 2020-08-18 | WRFS318 | LIMOD |
| 2020-04-21 | WRFS318 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4273403 | 2026-08-02 02:47:18 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRFS318 | ULS 4273403 | 2026-08-02 02:47:18 |
| Status | A | ULS 4273403 | 2026-08-02 02:47:18 |
| Service | CF | ULS 4273403 | 2026-08-02 02:47:18 |
| Grant Date | 2020-04-21 | ULS 4273403 | 2026-08-02 02:47:18 |
| Expiration Date | 2030-04-21 | ULS 4273403 | 2026-08-02 02:47:18 |