Universal Licensing System
WSJF428
San Francisco Bay Area Rapid Transit District
License details
| ULS identifier | 5169523 |
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| Call sign | WSJF428 |
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| Radio service | PB |
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| Status | A |
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| Grant date | 2025-07-21 |
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| Expiration | 2035-07-21 |
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| Frequency range | 4965 MHz |
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| Locations | 4 |
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| Representative location | Fremont, ALAMEDA, CA |
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| Coordinates | 37.4895000, -121.9328889 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:09:53 |
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Licensee
| Name | San Francisco Bay Area Rapid Transit District |
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| Applicant type | G |
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| FRN | 0001544063 |
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| Location | Oakland, CA |
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| Address | 2150 Webster Street, 10th Floor, Oakland, CA, 94612 |
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| Phone | 5102874963 |
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| Email | [email protected] |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 4965.00000000 | | | 0.800000 | 1.100000 | |
| 1 | 2 | FB | 4965.00000000 | | | 0.800000 | 1.100000 | |
| 2 | 1 | FB | 4965.00000000 | | | 0.800000 | 1.100000 | |
| 2 | 2 | FB | 4965.00000000 | | | 0.800000 | 1.100000 | |
| 3 | 1 | FB | 4965.00000000 | | | 0.800000 | 1.100000 | |
| 3 | 2 | FB | 4965.00000000 | | | 0.800000 | 1.100000 | |
| 4 | 1 | MO | 4965.00000000 | | | 0.800000 | 1.800000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 4965.00000000 | | 50M0W1D |
| 1 | 2 | 4965.00000000 | | 50M0W1D |
| 2 | 1 | 4965.00000000 | | 50M0W1D |
| 2 | 2 | 4965.00000000 | | 50M0W1D |
| 3 | 1 | 4965.00000000 | | 50M0W1D |
| 3 | 2 | 4965.00000000 | | 50M0W1D |
| 4 | 1 | 4965.00000000 | | 50M0W1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | Warm Springs Trench Portal, Fremont, ALAMEDA, CA | 37.48950000, -121.93288889 | 15.100 m | POLE | -5.000 m structure / -5.000 m overall | |
| 2 | T | Middle of S-Line Trench DAS, Milpitas, SANTA CLARA, CA | 37.41880556, -121.89594444 | 10.000 m | POLE | -5.000 m structure / -5.000 m overall | |
| 3 | T | Berryessa Trench Portal, Berryessa, SANTA CLARA, CA | 37.35944444, -121.87161111 | 26.700 m | POLE | -5.000 m structure / -5.000 m overall | |
| 4 | T | | 37.35944444, -121.87161111 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | -5.000 m | H | 5.5000 | | -125.000 | |
| 1 | 2 | T | | -5.000 m | H | 5.5000 | | -143.000 | |
| 1 | 3 | T | | -5.000 m | H | 5.5000 | | -119.000 | |
| 1 | 4 | | | | | | | | |
| 2 | 1 | T | | -5.000 m | V | 5.5000 | | -125.000 | |
| 2 | 2 | T | | -5.000 m | V | 5.5000 | | -143.000 | |
| 2 | 3 | T | | -5.000 m | V | 5.5000 | | -115.000 | |
Control points
| Number | Address | County | Phone |
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| 1 | 800 Madison Street, Oakland, CA | ALAMEDA | 5104647210 |
License history
| Date | File or call sign | Action |
|---|
| 2025-08-28 | WSJF428 | LIMOD |
| 2025-07-21 | WSJF428 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 5169523 | 2026-08-02 01:09:53 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WSJF428 | ULS 5169523 | 2026-08-02 01:09:53 |
| Status | A | ULS 5169523 | 2026-08-02 01:09:53 |
| Service | PB | ULS 5169523 | 2026-08-02 01:09:53 |
| Grant Date | 2025-07-21 | ULS 5169523 | 2026-08-02 01:09:53 |
| Expiration Date | 2035-07-21 | ULS 5169523 | 2026-08-02 01:09:53 |