Universal Licensing System
WNTA311
CONTRA COSTA, COUNTY OF
License details
| ULS identifier | 1018707 |
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| Call sign | WNTA311 |
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| Radio service | MW |
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| Status | C |
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| Grant date | 1999-06-29 |
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| Expiration | 2009-09-22 |
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| Cancellation | 2002-11-25 |
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| Frequency range | 23425 MHz |
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| Locations | 2 |
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| Representative location | PITTSBURG, CONTRA COSTA, CA |
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| Coordinates | 38.0193611, -121.8899444 |
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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 | 23425.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 23425.00000000 | | 34M0F9W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 45 CIVIC AVE, PITTSBURG, CONTRA COSTA, CA | 38.01936111, -121.88994444 | 16.800 m | | 9.800 m structure / 9.800 m overall | |
| 2 | R | | 37.94297222, -121.89105556 | 577.300 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 | 42.5000 | 180.7000 | | |
| 1 | 2 | R | | | | 42.5000 | | | |
License history
| Date | File or call sign | Action |
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| 2002-11-26 | WNTA311 | LICAN |
| 2000-03-14 | WNTA311 | LIAUA |
| 1999-08-14 | WNTA311 | LICCNV |
| 1999-06-29 | WNTA311 | LIREN |
| 1994-09-22 | WNTA311 | LIMOD |
| 1994-08-12 | WNTA311 | LIMOD |
| 1993-10-19 | WNTA311 | LIMOD |
| 1989-10-17 | WNTA311 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1018707 | 2026-08-02 02:42:29 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WNTA311 | ULS 1018707 | 2026-08-02 02:42:29 |
| Status | C | ULS 1018707 | 2026-08-02 02:42:29 |
| Service | MW | ULS 1018707 | 2026-08-02 02:42:29 |
| Grant Date | 1999-06-29 | ULS 1018707 | 2026-08-02 02:42:29 |
| Expiration Date | 2009-09-22 | ULS 1018707 | 2026-08-02 02:42:29 |
| Cancellation Date | 2002-11-25 | ULS 1018707 | 2026-08-02 02:42:29 |