Universal Licensing System
WQLX258
Contra Costa Water District
License details
| ULS identifier | 3197837 |
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| Call sign | WQLX258 |
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| Radio service | MW |
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| Status | A |
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| Grant date | 2020-05-13 |
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| Expiration | 2030-05-17 |
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| Frequency range | 17800 MHz |
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| Locations | 2 |
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| Representative location | Brentwood, CONTRA COSTA, CA |
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| Coordinates | 37.8363889, -121.7263056 |
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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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Licensee
| Name | Contra Costa Water District |
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| Applicant type | G |
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| FRN | 0019803238 |
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| Location | Concord, CA |
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| Address | 1331 Concord Ave, Concord, CA, 94524 |
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| Phone | 9256888199 |
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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 | 17800.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 17800.00000000 | | 36M2D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 19 Walnut Blvd, Brentwood, CONTRA COSTA, CA | 37.83638889, -121.72630556 | 140.200 m | B | 19.900 m structure / 19.900 m overall | |
| 2 | R | | 37.82052778, -121.78127778 | 684.700 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Dragonwave A-ANT-18G-2-C | | V | 38.6000 | 250.0000 | | |
| 1 | 2 | R | Dragonwave A-ANT-18G-2-C | | | 38.6000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2020-05-13 | WQLX258 | LIREN |
| 2020-02-24 | WQLX258 | LETRES |
| 2011-08-16 | WQLX258 | LETCNS |
| 2010-05-17 | WQLX258 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3197837 | 2026-08-02 02:43:10 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQLX258 | ULS 3197837 | 2026-08-02 02:43:10 |
| Status | A | ULS 3197837 | 2026-08-02 02:43:10 |
| Service | MW | ULS 3197837 | 2026-08-02 02:43:10 |
| Grant Date | 2020-05-13 | ULS 3197837 | 2026-08-02 02:43:10 |
| Expiration Date | 2030-05-17 | ULS 3197837 | 2026-08-02 02:43:10 |