Universal Licensing System
WNSB257
ANTIOCH, CITY OF
License details
| ULS identifier | 1264976 |
|---|
| Call sign | WNSB257 |
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| Radio service | PW |
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| Status | A |
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| Grant date | 2020-09-17 |
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| Expiration | 2030-12-06 |
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| Frequency range | 154.845 - 155.61 MHz (3 frequencies) |
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| Locations | 3 |
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| Representative location | ANTIOCH, CONTRA COSTA, CA |
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| Coordinates | 37.9888056, -121.8230000 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:16:59 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 154.84500000 | | | 40.000000 | 100.000000 | |
| 2 | 1 | FB | 154.84500000 | | | 40.000000 | 40.000000 | |
| 3 | 1 | MO | 154.84500000 | | | 40.000000 | 40.000000 | |
| 1 | 1 | FB | 155.07000000 | | | 40.000000 | 40.000000 | |
| 3 | 1 | MO | 155.07000000 | | | 40.000000 | 40.000000 | |
| 2 | 1 | FX1 | 155.61000000 | | | 40.000000 | 40.000000 | |
| 3 | 1 | MO | 155.61000000 | | | 40.000000 | 40.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 154.84500000 | | 11K2F3E |
| 2 | 1 | 154.84500000 | | 11K2F3E |
| 3 | 1 | 154.84500000 | | 11K2F3E |
| 1 | 1 | 155.07000000 | | 11K2F3E |
| 3 | 1 | 155.07000000 | | 11K2F3E |
| 2 | 1 | 155.61000000 | | 11K2F3E |
| 3 | 1 | 155.61000000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | LONETREE WAY WATER TANK, ANTIOCH, CONTRA COSTA, CA | 37.98880556, -121.82300000 | 81.000 m | TOWER | 18.000 m structure / 26.000 m overall | N |
| 2 | T | 300 L ST, ANTIOCH, CONTRA COSTA, CA | 38.01575000, -121.82077778 | 4.000 m | TOWER | 18.000 m structure / 23.000 m overall | N |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 26.000 m | | | | 6.000 | |
| 1 | 2 | T | | 19.000 m | | | | -44.000 | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 300 L ST, ANTIOCH, CA | CONTRA COSTA | 9257796964 |
License history
| Date | File or call sign | Action |
|---|
| 2020-09-23 | WNSB257 | LIAUA |
| 2020-09-17 | WNSB257 | LIREN |
| 2020-09-14 | WNSB257 | LETRES |
| 2020-09-07 | WNSB257 | ESURNW |
| 2014-10-09 | WNSB257 | LIMOD |
| 2014-10-08 | WNSB257 | ESUAPR |
| 2012-06-19 | WNSB257 | LIAUA |
| 2012-06-18 | WNSB257 | ESUAPR |
| 2010-09-08 | WNSB257 | LIAUA |
| 2010-09-08 | WNSB257 | LIREN |
| 2010-09-07 | WNSB257 | ESUAPR |
| 2008-08-29 | WNSB257 | LIMOD |
| 2008-08-27 | WNSB257 | LIAUA |
| 2008-08-26 | WNSB257 | ESCAPR |
| 2008-08-20 | WNSB257 | ESCAPR |
| 2005-11-01 | WNSB257 | LTSFNR |
| 2001-11-30 | WNSB257 | LIAUA |
| 2001-10-19 | WNSB257 | LIAUA |
| 2001-08-31 | WNSB257 | AUDOPR |
| 2001-01-18 | WNSB257 | LIREN |
| 2000-10-20 | WNSB257 | LICCNV |
| 2000-09-19 | WNSB257 | LETRES |
| 1995-12-07 | WNSB257 | AUTHPR |
| 1995-12-06 | WNSB257 | LIMOD |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1264976 | 2026-08-02 01:16:59 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WNSB257 | ULS 1264976 | 2026-08-02 01:16:59 |
| Status | A | ULS 1264976 | 2026-08-02 01:16:59 |
| Service | PW | ULS 1264976 | 2026-08-02 01:16:59 |
| Grant Date | 2020-09-17 | ULS 1264976 | 2026-08-02 01:16:59 |
| Expiration Date | 2030-12-06 | ULS 1264976 | 2026-08-02 01:16:59 |