Universal Licensing System
WRDH551
AT&T Mobility Spectrum, LLC
License details
| ULS identifier | 4155392 |
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| Call sign | WRDH551 |
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| Radio service | CF |
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| Status | A |
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| Grant date | 2019-04-30 |
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| Expiration | 2029-04-30 |
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| Frequency range | 17760 - 18040 MHz (4 frequencies) |
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| Locations | 2 |
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| Representative location | SUN CITY, RIVERSIDE, CA |
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| Coordinates | 33.6023611, -117.3437778 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:47:12 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 2 | FXO | 17760.00000000 | | | | | |
| 1 | 3 | FXO | 17800.00000000 | | | | | |
| 1 | 2 | FXO | 17840.00000000 | | | | | |
| 1 | 3 | FXO | 18040.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 2 | 17760.00000000 | | 40M0D7W |
| 1 | 3 | 17800.00000000 | | 40M0D7W |
| 1 | 2 | 17840.00000000 | | 40M0D7W |
| 1 | 3 | 18040.00000000 | | 40M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 35605 S MAIN DIVIDE RD, SUN CITY, RIVERSIDE, CA | 33.60236111, -117.34377778 | 1080.800 m | LTOWER | 30.800 m structure / 32.300 m overall | |
| 2 | R | | 33.68086111, -117.35161111 | 469.100 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 2 | 1 | T | COMMSCOPE VHLPX4-18A | | H | 44.7000 | 355.2000 | | |
| 2 | 2 | R | COMMSCOPE VHLPX4-18A | | | 44.7000 | | | |
| 3 | 1 | T | COMMSCOPE VHLPX4-18A | | V | 44.7000 | 355.2000 | | |
| 3 | 2 | R | COMMSCOPE VHLPX4-18A | | | 44.7000 | | | |
Special conditions
| Type | Condition code |
|---|
| P | 4020 |
| P | 5106 |
License history
| Date | File or call sign | Action |
|---|
| 2025-09-04 | WRDH551 | LIAUA |
| 2024-01-25 | WRDH551 | LIAUA |
| 2023-01-18 | WRDH551 | LIAUA |
| 2023-01-12 | WRDH551 | LIAUA |
| 2020-08-06 | WRDH551 | LIMOD |
| 2020-08-04 | WRDH551 | LETCNS |
| 2019-04-30 | WRDH551 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4155392 | 2026-08-02 02:47:12 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDH551 | ULS 4155392 | 2026-08-02 02:47:12 |
| Status | A | ULS 4155392 | 2026-08-02 02:47:12 |
| Service | CF | ULS 4155392 | 2026-08-02 02:47:12 |
| Grant Date | 2019-04-30 | ULS 4155392 | 2026-08-02 02:47:12 |
| Expiration Date | 2029-04-30 | ULS 4155392 | 2026-08-02 02:47:12 |