Universal Licensing System
WRDC821
City and County Of San Francisco SFPUC
License details
| ULS identifier | 4139527 |
|---|
| Call sign | WRDC821 |
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| Radio service | YE |
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| Status | A |
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| Grant date | 2019-03-29 |
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| Expiration | 2029-03-29 |
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| Frequency range | 810.9625 - 856.4375 MHz (4 frequencies) |
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| Locations | 3 |
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| Representative location | TRACY, TUOLUMNE, CA |
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| Coordinates | 37.8051111, -120.3279444 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:22:42 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 2 | 1 | MO | 810.96250000 | | | 35.000000 | 70.000000 | |
| 3 | 1 | FX1 | 810.96250000 | | | 20.000000 | 35.000000 | |
| 2 | 1 | MO | 811.43750000 | | | 35.000000 | 70.000000 | |
| 3 | 1 | FX1 | 811.43750000 | | | 20.000000 | 35.000000 | |
| 1 | 1 | FB2 | 855.96250000 | | | 40.000000 | 283.000000 | |
| 2 | 1 | MO | 855.96250000 | | | 35.000000 | 70.000000 | |
| 1 | 1 | FB2 | 856.43750000 | | | 40.000000 | 283.000000 | |
| 2 | 1 | MO | 856.43750000 | | | 35.000000 | 70.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 810.96250000 | | 8K10F1W |
| 2 | 1 | 810.96250000 | | 9K80D7W |
| 3 | 1 | 810.96250000 | | 9K80D7W |
| 3 | 1 | 810.96250000 | | 8K10F1W |
| 2 | 1 | 811.43750000 | | 8K10F1W |
| 2 | 1 | 811.43750000 | | 9K80D7W |
| 3 | 1 | 811.43750000 | | 9K80D7W |
| 3 | 1 | 811.43750000 | | 8K10F1W |
| 1 | 1 | 855.96250000 | | 8K10F1W |
| 1 | 1 | 855.96250000 | | 9K80D7W |
| 2 | 1 | 855.96250000 | | 9K80D7W |
| 2 | 1 | 855.96250000 | | 8K10F1W |
| 1 | 1 | 856.43750000 | | 8K10F1W |
| 1 | 1 | 856.43750000 | | 9K80D7W |
| 2 | 1 | 856.43750000 | | 8K10F1W |
| 2 | 1 | 856.43750000 | | 9K80D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | GOLDEN CHAIN HIGHWAY & MARSHES FLAT ROAD, TRACY, TUOLUMNE, CA | 37.80511111, -120.32794444 | 910.700 m | LTOWER | 35.000 m structure / 35.000 m overall | |
| 2 | T | SAN JOAQUIN, CA | | | | | |
| 3 | T | TUOLUMNE, CA | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 30.500 m | | | | 434.100 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 505 PALOMA WAY, SUNOL, CA | ALAMEDA | 4155599722 |
License history
| Date | File or call sign | Action |
|---|
| 2025-08-29 | WRDC821 | LIAUA |
| 2019-12-31 | WRDC821 | LETCNS |
| 2019-03-29 | WRDC821 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4139527 | 2026-08-02 01:22:42 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDC821 | ULS 4139527 | 2026-08-02 01:22:42 |
| Status | A | ULS 4139527 | 2026-08-02 01:22:42 |
| Service | YE | ULS 4139527 | 2026-08-02 01:22:42 |
| Grant Date | 2019-03-29 | ULS 4139527 | 2026-08-02 01:22:42 |
| Expiration Date | 2029-03-29 | ULS 4139527 | 2026-08-02 01:22:42 |