Universal Licensing System
WRKA836
California Water Service
License details
| ULS identifier | 4359642 |
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| Call sign | WRKA836 |
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| Radio service | MG |
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| Status | T |
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| Grant date | 2020-12-02 |
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| Expiration | 2030-12-02 |
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| Cancellation | 2020-12-03 |
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| Frequency range | 932.38125 - 941.38125 MHz (2 frequencies) |
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| Locations | 1 |
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| Representative location | Portola Valley, SAN MATEO, CA |
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| Coordinates | 37.3328333, -122.1928333 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:43:50 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 3 | FXO | 932.38125000 | | | | | |
| 1 | 3 | FXO | 932.38125000 | | | | | |
| 1 | 3 | FXO | 932.38125000 | | | | | |
| 1 | 1 | FXO | 941.38125000 | | | | | |
| 1 | 1 | FXO | 941.38125000 | | | | | |
| 1 | 1 | FXO | 941.38125000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 3 | 932.38125000 | | 10K8D1D |
| 1 | 3 | 932.38125000 | | 10K8D1D |
| 1 | 3 | 932.38125000 | | 10K8D1D |
| 1 | 1 | 941.38125000 | | 10K8D1D |
| 1 | 1 | 941.38125000 | | 10K8D1D |
| 1 | 1 | 941.38125000 | | 10K8D1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 5 Vista Verde Way, Portola Valley, SAN MATEO, CA | 37.33283333, -122.19283333 | 568.000 m | TANK | 6.000 m structure / 13.300 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Commscope DB586-Y | | V | 8.2000 | 360.0000 | | |
| 2 | 1 | R | Kathrein-Scala TY-900 | | | 12.2000 | | | |
| 3 | 1 | T | Kathrein-Scala TY-900 | | V | 12.2000 | 999.0000 | | |
| 4 | 1 | R | Commscope DB586-Y | | | 8.2000 | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 1720 North First Street, San Jose, CA | SANTA CLARA | 4083678214 |
License history
| Date | File or call sign | Action |
|---|
| 2020-12-03 | WRKA836 | LITERM |
| 2020-12-02 | WRKA836 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4359642 | 2026-08-02 02:43:50 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WRKA836 | ULS 4359642 | 2026-08-02 02:43:50 |
| Status | T | ULS 4359642 | 2026-08-02 02:43:50 |
| Service | MG | ULS 4359642 | 2026-08-02 02:43:50 |
| Grant Date | 2020-12-02 | ULS 4359642 | 2026-08-02 02:43:50 |
| Expiration Date | 2030-12-02 | ULS 4359642 | 2026-08-02 02:43:50 |
| Cancellation Date | 2020-12-03 | ULS 4359642 | 2026-08-02 02:43:50 |