Universal Licensing System
WQWA830
Contra Costa Water District
License details
| ULS identifier | 3715608 |
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| Call sign | WQWA830 |
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| Radio service | MW |
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| Status | A |
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| Grant date | 2025-08-04 |
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| Expiration | 2035-07-02 |
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| Frequency range | 19525 MHz |
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| Locations | 2 |
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| Representative location | Byron, CONTRA COSTA, CA |
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| Coordinates | 37.8778611, -121.6902778 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:43:10 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 19525.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 19525.00000000 | | 30M0D1W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Off Camino Diablo, Byron, CONTRA COSTA, CA | 37.87786111, -121.69027778 | 71.000 m | LTOWER | 18.300 m structure / 18.300 m overall | |
| 2 | R | | 37.94300000, -121.89102778 | 576.200 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | ARKIVATOR AB 905-HAA1899_00-PA2 | | V | 42.8000 | 292.3000 | | |
| 1 | 2 | R | ARKIVATOR AB 905-HAA1899_00-PA2 | | | 42.8000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2025-08-04 | WQWA830 | LIREN |
| 2016-10-04 | WQWA830 | LETCNS |
| 2015-07-02 | WQWA830 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3715608 | 2026-08-02 02:43:10 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQWA830 | ULS 3715608 | 2026-08-02 02:43:10 |
| Status | A | ULS 3715608 | 2026-08-02 02:43:10 |
| Service | MW | ULS 3715608 | 2026-08-02 02:43:10 |
| Grant Date | 2025-08-04 | ULS 3715608 | 2026-08-02 02:43:10 |
| Expiration Date | 2035-07-02 | ULS 3715608 | 2026-08-02 02:43:10 |