Universal Licensing System
WRZA821
CBS BROADCASTING INC.
License details
| ULS identifier | 4827823 |
|---|
| Call sign | WRZA821 |
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| Radio service | MG |
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| Status | A |
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| Grant date | 2023-10-11 |
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| Expiration | 2033-10-11 |
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| Frequency range | 6345.49 MHz |
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| Locations | 2 |
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| Representative location | Clayton, CONTRA COSTA, CA |
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| Coordinates | 37.8817222, -121.9191111 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:43:42 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 6345.49000000 | | | | | |
| 1 | 1 | FXO | 6345.49000000 | | | | | |
| 1 | 1 | FXO | 6345.49000000 | | | | | |
| 1 | 1 | FXO | 6345.49000000 | | | | | |
| 1 | 1 | FXO | 6345.49000000 | | | | | |
| 1 | 1 | FXO | 6345.49000000 | | | | | |
| 1 | 1 | FXO | 6345.49000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 6345.49000000 | | 30M0D7W |
| 1 | 1 | 6345.49000000 | | 30M0D7W |
| 1 | 1 | 6345.49000000 | | 30M0D7W |
| 1 | 1 | 6345.49000000 | | 30M0D7W |
| 1 | 1 | 6345.49000000 | | 30M0D7W |
| 1 | 1 | 6345.49000000 | | 30M0D7W |
| 1 | 1 | 6345.49000000 | | 30M0D7W |
| 1 | 1 | 6345.49000000 | | 30M0D7W |
| 1 | 1 | 6345.49000000 | | 30M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Mt. Diablo State Park, top of Mt. Diablo (008501 / MT DIABLO CA), Clayton, CONTRA COSTA, CA | 37.88172222, -121.91911111 | 1097.600 m | LTOWER | 85.300 m structure / 91.400 m overall | |
| 2 | R | | 38.39311111, -122.09847222 | 817.500 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | COMMSCOPE UHX8-59J RF | | V | 41.3000 | 344.6000 | | |
| 1 | 2 | R | COMMSCOPE UHX8-59J RF | | | 41.3000 | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 855 Battery Street, San Francisco, CA | SAN FRANCISCO | 4153625550 |
License history
| Date | File or call sign | Action |
|---|
| 2025-08-07 | WRZA821 | LITRAN |
| 2025-02-20 | WRZA821 | PLAUPR |
| 2025-01-14 | WRZA821 | LETCNS |
| 2024-05-22 | WRZA821 | LIAUA |
| 2023-12-30 | WRZA821 | LITRAN |
| 2023-10-11 | WRZA821 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4827823 | 2026-08-02 02:43:42 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRZA821 | ULS 4827823 | 2026-08-02 02:43:42 |
| Status | A | ULS 4827823 | 2026-08-02 02:43:42 |
| Service | MG | ULS 4827823 | 2026-08-02 02:43:42 |
| Grant Date | 2023-10-11 | ULS 4827823 | 2026-08-02 02:43:42 |
| Expiration Date | 2033-10-11 | ULS 4827823 | 2026-08-02 02:43:42 |