Universal Licensing System
WRQX748
EAST BAY REGIONAL COMMUNICATIONS SYSTEM AUTHORITY
License details
| ULS identifier | 4609303 |
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| Call sign | WRQX748 |
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| Radio service | MW |
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| Status | A |
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| Grant date | 2022-05-18 |
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| Expiration | 2032-05-18 |
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| Frequency range | 10815 - 11485 MHz (3 frequencies) |
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| Locations | 2 |
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| Coordinates | 38.0291111, -122.1975556 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:47:56 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 4 | FXO | 10815.00000000 | | | | | |
| 1 | 6 | FXO | 11185.00000000 | | | | | |
| 1 | 5 | FXO | 11485.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 4 | 10815.00000000 | | 10M0D7W |
| 1 | 6 | 11185.00000000 | | 30M0D7W |
| 1 | 5 | 11485.00000000 | | 30M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1083 Hillside Place, Martinez, CONTRA COSTA, CA | 38.00686111, -122.14422222 | 197.800 m | LTOWER | 15.200 m structure / 18.300 m overall | |
| 4 | P | 555 ESCOBAR ST, MARTINEZ, CONTRA COSTA, CA | 38.01741667, -122.13861111 | 4.000 m | LTOWER | 13.700 m structure / 13.700 m overall | |
| 5 | R | | 38.01405556, -122.13550000 | 7.000 m | | | |
| 6 | R | | 38.02911111, -122.19755556 | 273.100 m | | | |
| 7 | R | | 37.98972222, -122.08861111 | 51.800 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 6 | R | COMMSCOPE UHX4-107 RF | | | 40.4000 | | | |
| 1 | 7 | R | COMMSCOPE PL4-107F | | | 40.5000 | | | |
| 4 | 1 | T | COMMSCOPE SHPX3-11W | | V | 38.7000 | 22.8000 | | |
| 4 | 4 | P | RFS SC3-W100A | | V | 38.3000 | 143.8000 | | |
| 4 | 5 | R | COMMSCOPE SHPX3-11W | | | 38.7000 | | | |
| 5 | 1 | T | RFS SBX4-W100C | | V | 40.1000 | 297.8000 | | |
| 6 | 1 | T | RFS SBX4-W100C | | V | 40.1000 | 111.3000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2024-08-19 | WRQX748 | LIMOD |
| 2024-03-03 | WRQX748 | PAATRM |
| 2024-03-03 | WRQX748 | FRATRM |
| 2024-03-03 | WRQX748 | ANATRM |
| 2024-03-03 | WRQX748 | LOATRM |
| 2023-12-27 | WRQX748 | PNLISR |
| 2023-12-27 | WRQX748 | LETTRS |
| 2023-09-20 | WRQX748 | LIMOD |
| 2023-08-22 | WRQX748 | LETCNS |
| 2022-05-18 | WRQX748 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4609303 | 2026-08-02 02:47:56 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRQX748 | ULS 4609303 | 2026-08-02 02:47:56 |
| Status | A | ULS 4609303 | 2026-08-02 02:47:56 |
| Service | MW | ULS 4609303 | 2026-08-02 02:47:56 |
| Grant Date | 2022-05-18 | ULS 4609303 | 2026-08-02 02:47:56 |
| Expiration Date | 2032-05-18 | ULS 4609303 | 2026-08-02 02:47:56 |