Universal Licensing System
WPOR903
California Water Service Company
License details
| ULS identifier | 1049334 |
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| Call sign | WPOR903 |
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| Radio service | MG |
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| Status | E |
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| Grant date | 1999-03-01 |
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| Expiration | 2009-03-01 |
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| Cancellation | 2009-05-02 |
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| Frequency range | 956.28125 MHz |
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| Locations | 1 |
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| Representative location | SAN JOSE, SANTA CLARA, CA |
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| Coordinates | 37.7382500, -121.1243611 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:43:49 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 956.28125000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 956.28125000 | | 12K5A1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | VARIOUS LOCATIONS, SAN JOSE, SANTA CLARA, CA | 37.73825000, -121.12436111 | | | 6.100 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | V | 5.0000 | 360.0000 | | |
| 2 | 1 | R | | | | 2.2000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2009-05-02 | WPOR903 | LIEXP |
| 2008-12-08 | WPOR903 | LETRES |
| 2002-06-07 | WPOR903 | LIAUA |
| 2002-05-29 | WPOR903 | LIAUA |
| 1999-08-14 | WPOR903 | LICCNV |
| 1999-03-01 | WPOR903 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1049334 | 2026-08-02 02:43:49 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WPOR903 | ULS 1049334 | 2026-08-02 02:43:49 |
| Status | E | ULS 1049334 | 2026-08-02 02:43:49 |
| Service | MG | ULS 1049334 | 2026-08-02 02:43:49 |
| Grant Date | 1999-03-01 | ULS 1049334 | 2026-08-02 02:43:49 |
| Expiration Date | 2009-03-01 | ULS 1049334 | 2026-08-02 02:43:49 |
| Cancellation Date | 2009-05-02 | ULS 1049334 | 2026-08-02 02:43:49 |