Universal Licensing System
WRXB425
Kaiser Permanente Regional Optical Lab
License details
| ULS identifier | 4756260 |
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| Call sign | WRXB425 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2023-04-21 |
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| Expiration | 2033-04-21 |
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| Frequency range | 72.22 MHz |
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| Locations | 1 |
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| Representative location | Richmond, CONTRA COSTA, CA |
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| Coordinates | 37.9188889, -122.3544444 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:14:15 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 72.22000000 | | | 1.000000 | 1.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 72.22000000 | | 20K0F1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | Richmond, CONTRA COSTA, CA | 37.91888889, -122.35444444 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 930 Marina Way S, Richmond, CA | CONTRA COSTA | 5105595430 |
License history
| Date | File or call sign | Action |
|---|
| 2023-04-21 | WRXB425 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4756260 | 2026-08-02 01:14:15 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRXB425 | ULS 4756260 | 2026-08-02 01:14:15 |
| Status | A | ULS 4756260 | 2026-08-02 01:14:15 |
| Service | IG | ULS 4756260 | 2026-08-02 01:14:15 |
| Grant Date | 2023-04-21 | ULS 4756260 | 2026-08-02 01:14:15 |
| Expiration Date | 2033-04-21 | ULS 4756260 | 2026-08-02 01:14:15 |