Universal Licensing System
WRNM552
AT&T Mobility Spectrum, LLC
License details
| ULS identifier | 4480196 |
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| Call sign | WRNM552 |
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| Radio service | CF |
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| Status | A |
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| Grant date | 2021-07-27 |
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| Expiration | 2031-07-27 |
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| Frequency range | 6725 - 6755 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | Helendale, SAN BERNARDINO, CA |
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| Coordinates | 34.7415278, -117.3651111 |
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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 | 2 | FXO | 6725.00000000 | | | | | |
| 1 | 1 | FXO | 6755.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 2 | 6725.00000000 | | 30M0D7W |
| 1 | 1 | 6755.00000000 | | 30M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Lakeview Dr & East of Monterey rd, Helendale, SAN BERNARDINO, CA | 34.74152778, -117.36511111 | 791.600 m | LTOWER | 34.700 m structure / 36.600 m overall | |
| 2 | R | | 34.85586111, -117.05072222 | 892.800 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | ANDREW CORPORATION USX8-6W | | V | 41.6000 | 66.1000 | | |
| 1 | 2 | R | ANDREW CORPORATION USX8-6W | | | 41.6000 | | | |
| 2 | 1 | T | ANDREW CORPORATION USX8-6W | | H | 41.6000 | 66.1000 | | |
| 2 | 2 | R | ANDREW CORPORATION USX8-6W | | | 41.6000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2025-09-04 | WRNM552 | LIAUA |
| 2024-01-25 | WRNM552 | LIAUA |
| 2023-01-18 | WRNM552 | LIAUA |
| 2023-01-12 | WRNM552 | LIAUA |
| 2022-03-03 | WRNM552 | LIMOD |
| 2021-07-27 | WRNM552 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4480196 | 2026-08-02 02:47:18 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRNM552 | ULS 4480196 | 2026-08-02 02:47:18 |
| Status | A | ULS 4480196 | 2026-08-02 02:47:18 |
| Service | CF | ULS 4480196 | 2026-08-02 02:47:18 |
| Grant Date | 2021-07-27 | ULS 4480196 | 2026-08-02 02:47:18 |
| Expiration Date | 2031-07-27 | ULS 4480196 | 2026-08-02 02:47:18 |