Universal Licensing System
WHK256
CONTRA COSTA, COUNTY OF
License details
| ULS identifier | 982863 |
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| Call sign | WHK256 |
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| Radio service | MW |
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| Status | C |
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| Grant date | 1998-10-01 |
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| Expiration | 2008-12-23 |
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| Cancellation | 2002-12-02 |
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| Frequency range | 1975 MHz |
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| Locations | 1 |
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| Representative location | MORAGA, CONTRA COSTA, CA |
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| Coordinates | 37.8354722, -122.1324444 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:42:29 |
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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 | 1975.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 1975.00000000 | | 8M00F9W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 1280 MORAGA WAY, MORAGA, CONTRA COSTA, CA | 37.83547222, -122.13244444 | 152.400 m | | 17.100 m overall | |
| 2 | R | | 37.81575000, -122.06216667 | 616.900 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 | 31.3000 | 109.5000 | | |
| 1 | 2 | R | | | | 31.3000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2002-12-03 | WHK256 | LICAN |
| 2000-03-15 | WHK256 | LIAUA |
| 1999-08-13 | WHK256 | LICCNV |
| 1998-10-01 | WHK256 | LIREN |
| 1993-12-23 | WHK256 | LIMOD |
| 1993-11-16 | WHK256 | LIMOD |
| 1993-10-19 | WHK256 | LIMOD |
| 1988-11-03 | WHK256 | LIMOD |
| 1983-11-04 | WHK256 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 982863 | 2026-08-02 02:42:29 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WHK256 | ULS 982863 | 2026-08-02 02:42:29 |
| Status | C | ULS 982863 | 2026-08-02 02:42:29 |
| Service | MW | ULS 982863 | 2026-08-02 02:42:29 |
| Grant Date | 1998-10-01 | ULS 982863 | 2026-08-02 02:42:29 |
| Expiration Date | 2008-12-23 | ULS 982863 | 2026-08-02 02:42:29 |
| Cancellation Date | 2002-12-02 | ULS 982863 | 2026-08-02 02:42:29 |