Universal Licensing System
WQQJ254
Contra Costa County
License details
| ULS identifier | 3434818 |
|---|
| Call sign | WQQJ254 |
|---|
| Radio service | MW |
|---|
| Status | A |
|---|
| Grant date | 2022-10-08 |
|---|
| Expiration | 2033-01-04 |
|---|
| Frequency range | 11305 - 11625 MHz (3 frequencies) |
|---|
| Locations | 1 |
|---|
| Coordinates | 37.9429722, -121.8910556 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:42:29 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 11305.00000000 | | | | | |
| 1 | 2 | FXO | 11445.00000000 | | | | | |
| 1 | 3 | FXO | 11625.00000000 | | | | | |
| 1 | 3 | FXO | 11625.00000000 | | | | | |
| 1 | 3 | FXO | 11625.00000000 | | | | | |
| 1 | 3 | FXO | 11625.00000000 | | | | | |
| 1 | 3 | FXO | 11625.00000000 | | | | | |
| 1 | 3 | FXO | 11625.00000000 | | | | | |
| 1 | 3 | FXO | 11625.00000000 | | | | | |
| 1 | 3 | FXO | 11625.00000000 | | | | | |
| 1 | 3 | FXO | 11625.00000000 | | | | | |
| 1 | 3 | FXO | 11625.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 11305.00000000 | | 10M0D7W |
| 1 | 2 | 11445.00000000 | | 10M0D7W |
| 1 | 3 | 11625.00000000 | | 40M0G7W |
| 1 | 3 | 11625.00000000 | | 40M0D7W |
| 1 | 3 | 11625.00000000 | | 40M0D7W |
| 1 | 3 | 11625.00000000 | | 40M0D7W |
| 1 | 3 | 11625.00000000 | | 40M0D7W |
| 1 | 3 | 11625.00000000 | | 40M0D7W |
| 1 | 3 | 11625.00000000 | | 40M0D7W |
| 1 | 3 | 11625.00000000 | | 40M0D7W |
| 1 | 3 | 11625.00000000 | | 40M0D7W |
| 1 | 3 | 11625.00000000 | | 40M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 2576 Camino Diablo, Walnut Creek, CONTRA COSTA, CA | 37.89722222, -122.07675000 | 92.700 m | MTOWER | 53.300 m structure / 54.000 m overall | N |
| 2 | R | | 37.94294444, -121.89100000 | 577.000 m | | | |
| 3 | R | | 37.90150000, -122.06100000 | 38.400 m | | | |
| 4 | R | | 37.94297222, -121.89105556 | 577.300 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Commscope HP4-107B | | V | 40.4000 | 72.7000 | | |
| 1 | 2 | R | RADIO WAVES, INC HP4-11 | | | 41.0000 | 0.0000 | | |
| 1 | 3 | R | Commscope SHP3-11W | | | 38.7000 | 0.0000 | | |
| 1 | 4 | R | RADIO WAVES, INC HP4-11 | | | 41.0000 | | | |
| 2 | 1 | T | Commscope SHP3-11W | | V | 38.7000 | 71.1000 | | |
| 3 | 1 | T | RADIO WAVES, INC HP4-11 | | V | 41.0000 | 72.7000 | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 30 Douglas Drive, Martinex, CA | CONTRA COSTA | 9253131305 |
License history
| Date | File or call sign | Action |
|---|
| 2025-08-27 | WQQJ254 | LETCNS |
| 2024-05-22 | WQQJ254 | LIMOD |
| 2022-10-08 | WQQJ254 | LIREN |
| 2022-10-06 | WQQJ254 | ESURNW |
| 2022-01-06 | WQQJ254 | LIMOD |
| 2020-07-23 | WQQJ254 | LIAUA |
| 2020-05-12 | WQQJ254 | LIAUA |
| 2013-07-17 | WQQJ254 | LIMOD |
| 2013-06-05 | WQQJ254 | ESUAPR |
| 2013-01-04 | WQQJ254 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3434818 | 2026-08-02 02:42:29 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQQJ254 | ULS 3434818 | 2026-08-02 02:42:29 |
| Status | A | ULS 3434818 | 2026-08-02 02:42:29 |
| Service | MW | ULS 3434818 | 2026-08-02 02:42:29 |
| Grant Date | 2022-10-08 | ULS 3434818 | 2026-08-02 02:42:29 |
| Expiration Date | 2033-01-04 | ULS 3434818 | 2026-08-02 02:42:29 |