Universal Licensing System
WRZN441
AT&T Mobility Spectrum LLC
License details
| ULS identifier | 4845077 |
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| Call sign | WRZN441 |
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| Radio service | CF |
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| Status | A |
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| Grant date | 2023-11-21 |
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| Expiration | 2033-11-21 |
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| Frequency range | 10815 - 10975 MHz (4 frequencies) |
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| Locations | 2 |
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| Representative location | NAPA, NAPA, CA |
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| Coordinates | 38.5099722, -122.1908889 |
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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 | 3 | FXO | 10815.00000000 | | | | | |
| 1 | 4 | FXO | 10855.00000000 | | | | | |
| 1 | 3 | FXO | 10935.00000000 | | | | | |
| 1 | 4 | FXO | 10975.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 3 | 10815.00000000 | | 40M0D7W |
| 1 | 4 | 10855.00000000 | | 40M0D7W |
| 1 | 3 | 10935.00000000 | | 40M0D7W |
| 1 | 4 | 10975.00000000 | | 40M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1065 TO 1075 RIM ROCK DRIVE, NAPA, NAPA, CA | 38.50997222, -122.19088889 | 285.000 m | UPOLE | 31.400 m structure / 31.400 m overall | N |
| 2 | R | | 38.66350000, -122.18991667 | 927.800 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 3 | 1 | T | ANDREW CORPORATION VHLPX800-11B | | H | 37.4000 | 0.3000 | | |
| 3 | 2 | R | ANDREW CORPORATION UHX4-107B RF | | | 40.4000 | | | |
| 4 | 1 | T | ANDREW CORPORATION VHLPX800-11B | | V | 37.4000 | 0.3000 | | |
| 4 | 2 | R | ANDREW CORPORATION UHX4-107B RF | | | 40.4000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2025-11-27 | WRZN441 | LIMOD |
| 2025-08-06 | WRZN441 | LIMOD |
| 2024-01-25 | WRZN441 | LIAUA |
| 2023-11-21 | WRZN441 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4845077 | 2026-08-02 02:47:19 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRZN441 | ULS 4845077 | 2026-08-02 02:47:19 |
| Status | A | ULS 4845077 | 2026-08-02 02:47:19 |
| Service | CF | ULS 4845077 | 2026-08-02 02:47:19 |
| Grant Date | 2023-11-21 | ULS 4845077 | 2026-08-02 02:47:19 |
| Expiration Date | 2033-11-21 | ULS 4845077 | 2026-08-02 02:47:19 |