Universal Licensing System
WRBX313
SAN FRANCISCO, CITY AND COUNTY OF
License details
| ULS identifier | 4065690 |
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| Call sign | WRBX313 |
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| Radio service | YW |
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| Status | A |
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| Grant date | 2018-07-16 |
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| Expiration | 2028-07-16 |
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| Frequency range | 453.28125 - 465.46875 MHz (10 frequencies) |
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| Locations | 4 |
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| Representative location | GROVELAND, TUOLUMNE, CA |
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| Coordinates | 37.8826389, -119.8559444 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:10:00 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB8 | 453.28125000 | | | 100.000000 | 110.500000 | |
| 2 | 1 | FB8 | 453.28125000 | | | 100.000000 | 43.500000 | |
| 1 | 1 | FB8 | 453.39375000 | | | 100.000000 | 110.500000 | |
| 2 | 1 | FB8 | 453.39375000 | | | 100.000000 | 43.500000 | |
| 1 | 1 | FB8 | 453.54375000 | | | 100.000000 | 110.500000 | |
| 2 | 1 | FB8 | 453.54375000 | | | 100.000000 | 43.500000 | |
| 3 | 1 | MO8 | 458.28125000 | | | 100.000000 | 100.000000 | |
| 4 | 1 | MO8 | 458.28125000 | | | 100.000000 | 100.000000 | |
| 3 | 1 | MO8 | 458.39375000 | | | 100.000000 | 100.000000 | |
| 4 | 1 | MO8 | 458.39375000 | | | 100.000000 | 100.000000 | |
| 3 | 1 | MO8 | 458.54375000 | | | 100.000000 | 100.000000 | |
| 4 | 1 | MO8 | 458.54375000 | | | 100.000000 | 100.000000 | |
| 1 | 1 | FB8 | 460.14375000 | | | 100.000000 | 110.500000 | |
| 2 | 1 | FB8 | 460.14375000 | | | 100.000000 | 43.500000 | |
| 1 | 1 | FB8 | 460.46875000 | | | 100.000000 | 110.500000 | |
| 2 | 1 | FB8 | 460.46875000 | | | 100.000000 | 43.500000 | |
| 3 | 1 | MO8 | 465.14375000 | | | 100.000000 | 100.000000 | |
| 4 | 1 | MO8 | 465.14375000 | | | 100.000000 | 100.000000 | |
| 3 | 1 | MO8 | 465.46875000 | | | 100.000000 | 100.000000 | |
| 4 | 1 | MO8 | 465.46875000 | | | 100.000000 | 100.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 453.28125000 | | 4K00F1W |
| 2 | 1 | 453.28125000 | | 4K00F1W |
| 1 | 1 | 453.39375000 | | 4K00F1W |
| 2 | 1 | 453.39375000 | | 4K00F1W |
| 1 | 1 | 453.54375000 | | 4K00F1W |
| 2 | 1 | 453.54375000 | | 4K00F1W |
| 3 | 1 | 458.28125000 | | 4K00F1W |
| 4 | 1 | 458.28125000 | | 4K00F1W |
| 3 | 1 | 458.39375000 | | 4K00F1W |
| 4 | 1 | 458.39375000 | | 4K00F1W |
| 3 | 1 | 458.54375000 | | 4K00F1W |
| 4 | 1 | 458.54375000 | | 4K00F1W |
| 1 | 1 | 460.14375000 | | 4K00F1W |
| 2 | 1 | 460.14375000 | | 4K00F1W |
| 1 | 1 | 460.46875000 | | 4K00F1W |
| 2 | 1 | 460.46875000 | | 4K00F1W |
| 3 | 1 | 465.14375000 | | 4K00F1W |
| 4 | 1 | 465.14375000 | | 4K00F1W |
| 3 | 1 | 465.46875000 | | 4K00F1W |
| 4 | 1 | 465.46875000 | | 4K00F1W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 33040 HETCH HETCHY RD., GROVELAND, TUOLUMNE, CA | 37.88263889, -119.85594444 | 1379.000 m | POLE | 10.600 m structure / 13.100 m overall | |
| 2 | T | GOLDEN CHAIN HWY & MARSHES FLAT ROAD, JAMESTOWN, TUOLUMNE, CA | 37.80491667, -120.32805556 | 898.500 m | LTOWER | 30.500 m structure / 32.900 m overall | |
| 3 | T | | | | | | |
| 4 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 13.100 m | | | | -152.900 | |
| 1 | 2 | T | | 32.900 m | | | | 424.000 | |
| 1 | 3 | T | | | | | | | |
| 1 | 4 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 1011 TURK STREET, SAN FRANCISCO, CA | SAN FRANCISCO | 4155583884 |
License history
| Date | File or call sign | Action |
|---|
| 2019-04-16 | WRBX313 | LETCNS |
| 2018-07-16 | WRBX313 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4065690 | 2026-08-02 01:10:00 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRBX313 | ULS 4065690 | 2026-08-02 01:10:00 |
| Status | A | ULS 4065690 | 2026-08-02 01:10:00 |
| Service | YW | ULS 4065690 | 2026-08-02 01:10:00 |
| Grant Date | 2018-07-16 | ULS 4065690 | 2026-08-02 01:10:00 |
| Expiration Date | 2028-07-16 | ULS 4065690 | 2026-08-02 01:10:00 |