Universal Licensing System
WNTL536
CONTRA COSTA, COUNTY OF
License details
| ULS identifier | 1023941 |
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| Call sign | WNTL536 |
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| Radio service | MW |
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| Status | C |
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| Grant date | 2000-12-16 |
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| Expiration | 2010-12-31 |
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| Cancellation | 2002-11-25 |
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| Frequency range | 21875 - 21925 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | MARTINEZ, CONTRA COSTA, CA |
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| Coordinates | 37.9324167, -122.1235556 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:42:28 |
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Licensee
| Name | CONTRA COSTA, COUNTY OF |
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| Applicant type | G |
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| FRN | 0001540145 |
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| Location | MARTINEZ, CA |
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| Address | 30 DOUGLAS DRIVE, MARTINEZ, CA, 945534068 |
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| Phone | 9259577701 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 1 | FXO | 21875.00000000 | | | | | |
| 1 | 2 | FXO | 21925.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 21875.00000000 | | 25M0F9W |
| 1 | 2 | 21925.00000000 | | 25M0F8W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | BRIONES PEAK 6.7 MI S OF, MARTINEZ, CONTRA COSTA, CA | 37.93241667, -122.12355556 | 436.800 m | | 11.600 m overall | |
| 2 | R | | 37.88380556, -122.22188889 | 583.100 m | | | |
| 3 | R | | 37.98963889, -122.08772222 | 51.800 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | | V | 46.3000 | 238.1000 | | |
| 1 | 2 | R | | | | 46.3000 | | | |
| 1 | 3 | R | | | | 40.3000 | | | |
| 2 | 1 | T | | | H | 40.3000 | 26.4000 | | |
License history
| Date | File or call sign | Action |
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| 2002-11-26 | WNTL536 | LICAN |
| 2000-12-16 | WNTL536 | LIREN |
| 2000-11-13 | WNTL536 | LETRES |
| 2000-10-29 | WNTL536 | LETRES |
| 2000-03-15 | WNTL536 | LIAUA |
| 1999-08-14 | WNTL536 | LICCNV |
| 1996-01-17 | WNTL536 | COR |
| 1996-01-11 | WNTL536 | LIMOD |
| 1993-10-19 | WNTL536 | LIMOD |
| 1991-11-26 | WNTL536 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1023941 | 2026-08-02 02:42:28 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WNTL536 | ULS 1023941 | 2026-08-02 02:42:28 |
| Status | C | ULS 1023941 | 2026-08-02 02:42:28 |
| Service | MW | ULS 1023941 | 2026-08-02 02:42:28 |
| Grant Date | 2000-12-16 | ULS 1023941 | 2026-08-02 02:42:28 |
| Expiration Date | 2010-12-31 | ULS 1023941 | 2026-08-02 02:42:28 |
| Cancellation Date | 2002-11-25 | ULS 1023941 | 2026-08-02 02:42:28 |