Universal Licensing System
WQLX240
Contra Costa Water District
License details
| ULS identifier | 3197810 |
|---|
| Call sign | WQLX240 |
|---|
| Radio service | MW |
|---|
| Status | A |
|---|
| Grant date | 2020-05-13 |
|---|
| Expiration | 2030-05-17 |
|---|
| Frequency range | 17820 - 18060 MHz (2 frequencies) |
|---|
| Locations | 3 |
|---|
| Representative location | Martinez, CONTRA COSTA, CA |
|---|
| Coordinates | 37.9988056, -122.0825833 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:43:10 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 17820.00000000 | | | | | |
| 1 | 2 | FXO | 18060.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 17820.00000000 | | 80M0D7W |
| 1 | 2 | 18060.00000000 | | 80M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Off Heatherleaf Ln, Martinez, CONTRA COSTA, CA | 37.99880556, -122.08258333 | 97.100 m | TANK | 11.000 m structure / 11.000 m overall | N |
| 2 | R | | 37.98186111, -122.04730556 | 9.600 m | | | |
| 3 | R | | 38.01330556, -122.04088889 | 14.400 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 | 121.2000 | | |
| 1 | 2 | R | CommScope VHLP2-18D | | | 39.0000 | 0.0000 | | |
| 1 | 3 | R | CommScope VHLP2-18D | | | 39.0000 | 0.0000 | | |
| 2 | 1 | T | CommScope VHLP2-18D | | V | 39.0000 | 66.3000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2026-04-12 | WQLX240 | FRATRM |
| 2026-02-04 | WQLX240 | LETTRS |
| 2026-02-04 | WQLX240 | PNLISR |
| 2025-09-30 | WQLX240 | LETCNS |
| 2024-06-27 | WQLX240 | LIMOD |
| 2020-05-13 | WQLX240 | LIREN |
| 2020-02-24 | WQLX240 | LETRES |
| 2011-08-16 | WQLX240 | LETCNS |
| 2010-05-17 | WQLX240 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3197810 | 2026-08-02 02:43:10 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQLX240 | ULS 3197810 | 2026-08-02 02:43:10 |
| Status | A | ULS 3197810 | 2026-08-02 02:43:10 |
| Service | MW | ULS 3197810 | 2026-08-02 02:43:10 |
| Grant Date | 2020-05-13 | ULS 3197810 | 2026-08-02 02:43:10 |
| Expiration Date | 2030-05-17 | ULS 3197810 | 2026-08-02 02:43:10 |