Universal Licensing System
WCR431
UNION OIL COMPANY OF CALIFORNIA
License details
| ULS identifier | 972595 |
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| Call sign | WCR431 |
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| Radio service | MG |
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| Status | C |
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| Grant date | 1991-08-01 |
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| Expiration | 1996-08-01 |
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| Cancellation | 1996-06-07 |
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| Frequency range | 6545 - 6705 MHz (4 frequencies) |
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| Locations | 3 |
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| Representative location | ALAMO, CONTRA COSTA, CA |
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| Coordinates | 37.8154722, -122.0621667 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:47:51 |
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Licensee
| Name | UNION OIL COMPANY OF CALIFORNIA |
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| Applicant type | C |
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| Location | SANTA ANA, CA |
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| Address | SANTA ANA, CA, 927995376 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 2 | FXO | 6545.00000000 | | | | | |
| 1 | 1 | FXO | 6635.00000000 | | | | | |
| 1 | 4 | FXO | 6645.00000000 | | | | | |
| 1 | 3 | FXO | 6705.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 2 | 6545.00000000 | | 10M0F9W |
| 1 | 1 | 6635.00000000 | | 10M0F9W |
| 1 | 4 | 6645.00000000 | | 10M0A7W |
| 1 | 3 | 6705.00000000 | | 10M0A7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | ROCKY RIDGE END OF BOLINGEN CANYON RD, ALAMO, CONTRA COSTA, CA | 37.81547222, -122.06216667 | 613.300 m | | 61.000 m overall | |
| 2 | R | | 37.78602778, -122.39244444 | 30.500 m | | | |
| 3 | R | | 37.50769444, -121.37519444 | 1019.600 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | V | 42.3000 | 119.2000 | | |
| 1 | 2 | R | | | | 42.3000 | | | |
| 1 | 3 | R | | | | 42.3000 | | | |
| 2 | 1 | T | | | V | 42.3000 | 263.7000 | | |
| 2 | 2 | R | | | | 42.3000 | | | |
| 2 | 3 | R | | | | 42.3000 | | | |
| 3 | 1 | T | | | V | 42.3000 | 119.2000 | | |
| 4 | 1 | T | | | V | 42.3000 | 263.7000 | | |
License history
| Date | File or call sign | Action |
|---|
| 1999-08-13 | WCR431 | LICCNV |
| 1996-06-07 | WCR431 | LICAN |
| 1991-08-01 | WCR431 | LIMOD |
| 1991-06-24 | WCR431 | LIMOD |
| 1986-07-25 | WCR431 | LIMOD |
| 1984-04-06 | WCR431 | LIMOD |
| 1982-07-19 | WCR431 | LIMOD |
| 1977-10-17 | WCR431 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 972595 | 2026-08-02 02:47:51 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WCR431 | ULS 972595 | 2026-08-02 02:47:51 |
| Status | C | ULS 972595 | 2026-08-02 02:47:51 |
| Service | MG | ULS 972595 | 2026-08-02 02:47:51 |
| Grant Date | 1991-08-01 | ULS 972595 | 2026-08-02 02:47:51 |
| Expiration Date | 1996-08-01 | ULS 972595 | 2026-08-02 02:47:51 |
| Cancellation Date | 1996-06-07 | ULS 972595 | 2026-08-02 02:47:51 |