Universal Licensing System
WQSM557
California Water Service Company
License details
| ULS identifier | 3527017 |
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| Call sign | WQSM557 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2023-09-30 |
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| Expiration | 2033-10-31 |
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| Frequency range | 451.35 MHz |
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| Locations | 3 |
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| Representative location | WOODSIDE, SAN MATEO, CA |
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| Coordinates | 37.3870278, -122.2669444 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:16:21 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 451.35000000 | | | 5.000000 | 10.000000 | |
| 2 | 1 | FXO | 451.35000000 | | | 5.000000 | 10.000000 | |
| 3 | 1 | FXO | 451.35000000 | | | 5.000000 | 10.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.35000000 | | 11K2F3E |
| 1 | 1 | 451.35000000 | | 11K2F1D |
| 2 | 1 | 451.35000000 | | 11K2F3E |
| 2 | 1 | 451.35000000 | | 11K2F1D |
| 3 | 1 | 451.35000000 | | 11K2F3E |
| 3 | 1 | 451.35000000 | | 11K2F1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | | MASTER, WOODSIDE, SAN MATEO, CA | 37.38702778, -122.26694444 | 444.000 m | MAST | 6.100 m structure / 6.100 m overall | |
| 2 | | SKYLONDA TANK, WOODSIDE, SAN MATEO, CA | 37.38488889, -122.26472222 | 481.000 m | MAST | 3.000 m structure / 3.000 m overall | |
| 3 | | GEO TANK, WOODSIDE, SAN MATEO, CA | 37.37602778, -122.25697222 | 551.000 m | MAST | 10.600 m structure / 10.600 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 6.100 m | | | | 218.100 | |
| 1 | 2 | T | | 3.000 m | | | | 249.600 | |
| 1 | 3 | T | | 10.600 m | | | | 305.900 | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 127 BLAKEWOOD WAY, WOODSIDE, CA | SAN MATEO | 6508510154 |
License history
| Date | File or call sign | Action |
|---|
| 2023-10-20 | WQSM557 | LIASS |
| 2023-09-30 | WQSM557 | LIREN |
| 2013-10-31 | WQSM557 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3527017 | 2026-08-02 01:16:21 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQSM557 | ULS 3527017 | 2026-08-02 01:16:21 |
| Status | A | ULS 3527017 | 2026-08-02 01:16:21 |
| Service | IG | ULS 3527017 | 2026-08-02 01:16:21 |
| Grant Date | 2023-09-30 | ULS 3527017 | 2026-08-02 01:16:21 |
| Expiration Date | 2033-10-31 | ULS 3527017 | 2026-08-02 01:16:21 |