Universal Licensing System
WQLX284
Contra Costa Water District
License details
| ULS identifier | 3197877 |
|---|
| Call sign | WQLX284 |
|---|
| Radio service | MW |
|---|
| Status | A |
|---|
| Grant date | 2020-05-13 |
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| Expiration | 2030-05-17 |
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| Frequency range | 11405 MHz |
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| Locations | 2 |
|---|
| Representative location | Concord, CONTRA COSTA, CA |
|---|
| Coordinates | 38.0133056, -122.0408889 |
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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 | 2 | FXO | 11385.00000000 | | | | | |
| 1 | 3 | FXO | 11405.00000000 | | | | | |
| 1 | 3 | FXO | 11405.00000000 | | | | | |
| 1 | 3 | FXO | 11405.00000000 | | | | | |
| 1 | 3 | FXO | 11405.00000000 | | | | | |
| 1 | 3 | FXO | 11405.00000000 | | | | | |
| 1 | 3 | FXO | 11405.00000000 | | | | | |
| 1 | 3 | FXO | 11405.00000000 | | | | | |
| 1 | 3 | FXO | 11405.00000000 | | | | | |
| 1 | 3 | FXO | 11405.00000000 | | | | | |
| 1 | 3 | FXO | 11405.00000000 | | | | | |
| 1 | 1 | FXO | 19620.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 2 | 11385.00000000 | | 30M0D1W |
| 1 | 3 | 11405.00000000 | | 80M0D7W |
| 1 | 3 | 11405.00000000 | | 80M0D7W |
| 1 | 3 | 11405.00000000 | | 80M0D7W |
| 1 | 3 | 11405.00000000 | | 80M0D7W |
| 1 | 3 | 11405.00000000 | | 80M0D7W |
| 1 | 3 | 11405.00000000 | | 80M0D7W |
| 1 | 3 | 11405.00000000 | | 80M0D7W |
| 1 | 3 | 11405.00000000 | | 80M0D7W |
| 1 | 3 | 11405.00000000 | | 80M0D7W |
| 1 | 3 | 11405.00000000 | | 80M0G7W |
| 1 | 1 | 19620.00000000 | | 80M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 2015 Bates Ave, Concord, CONTRA COSTA, CA | 38.01330556, -122.04088889 | 14.400 m | B | 17.600 m structure / 17.600 m overall | N |
| 2 | R | | 37.99880556, -122.08258333 | 97.100 m | | | |
| 3 | 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 | CommScope VHLP2-18D | | V | 39.0000 | 246.3000 | | |
| 1 | 2 | R | CommScope VHLP2-18D | | | 39.0000 | 0.0000 | | |
| 1 | 3 | R | COMMSCOPE VHLP3-11W | | | 38.5000 | | | |
| 2 | 1 | T | ARKIVATOR AB 906-HAA1109-PA1 | | H | 38.0000 | 120.6000 | | |
| 2 | 3 | R | Commscope VHLP4-11WA | | | 40.7000 | 0.0000 | | |
| 3 | 1 | T | Commscope VHLP4-11WA | | H | 40.7000 | 120.6000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2026-04-12 | WQLX284 | FRATRM |
| 2026-02-04 | WQLX284 | LETTRS |
| 2026-02-04 | WQLX284 | PNLISR |
| 2025-09-30 | WQLX284 | LETCNS |
| 2024-06-27 | WQLX284 | LIMOD |
| 2021-07-22 | WQLX284 | LIMOD |
| 2020-05-13 | WQLX284 | LIREN |
| 2020-02-24 | WQLX284 | LETRES |
| 2016-10-04 | WQLX284 | LETCNS |
| 2015-07-02 | WQLX284 | LIMOD |
| 2011-08-16 | WQLX284 | LETCNS |
| 2010-05-17 | WQLX284 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3197877 | 2026-08-02 02:43:10 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQLX284 | ULS 3197877 | 2026-08-02 02:43:10 |
| Status | A | ULS 3197877 | 2026-08-02 02:43:10 |
| Service | MW | ULS 3197877 | 2026-08-02 02:43:10 |
| Grant Date | 2020-05-13 | ULS 3197877 | 2026-08-02 02:43:10 |
| Expiration Date | 2030-05-17 | ULS 3197877 | 2026-08-02 02:43:10 |