Universal Licensing System
WRDC453
JUAN CRESPI MIDDLE SCHOOL - WEST CONTRA COSTA UNIFIED SCHOOL DISTRICT
License details
| ULS identifier | 4138118 |
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| Call sign | WRDC453 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2019-03-26 |
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| Expiration | 2029-03-26 |
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| Frequency range | 464.6125 - 469.6125 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | EL SOBRANTE, CONTRA COSTA, CA |
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| Coordinates | 37.9855556, -122.3077778 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:22:39 |
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Licensee
| Name | JUAN CRESPI MIDDLE SCHOOL - WEST CONTRA COSTA UNIFIED SCHOOL DISTRICT |
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| Applicant type | G |
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| FRN | 0028202695 |
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| Location | EL SOBRANTE, CA |
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| Address | 1121 ALLVIEW AVE, EL SOBRANTE, CA, 94803 |
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| Phone | 5102311447 |
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| Email | [email protected] |
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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 | 1 | FB2 | 464.61250000 | | | 50.000000 | 50.000000 | |
| 2 | 1 | MO | 464.61250000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 469.61250000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 464.61250000 | | 11K2F3E |
| 1 | 1 | 464.61250000 | | 7K60FXE |
| 2 | 1 | 464.61250000 | | 11K2F3E |
| 2 | 1 | 464.61250000 | | 7K60FXE |
| 2 | 1 | 469.61250000 | | 7K60FXE |
| 2 | 1 | 469.61250000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 1121 ALLVIEW AVE, EL SOBRANTE, CONTRA COSTA, CA | 37.98555556, -122.30777778 | 82.000 m | BANT | 6.000 m structure / 9.000 m overall | |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | 9.000 m | | | | 30.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 1121 ALLVIEW AVE, EL SOBRANTE, CA | CONTRA COSTA | 5102311447 |
License history
| Date | File or call sign | Action |
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| 2019-03-26 | WRDC453 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 4138118 | 2026-08-02 01:22:39 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WRDC453 | ULS 4138118 | 2026-08-02 01:22:39 |
| Status | A | ULS 4138118 | 2026-08-02 01:22:39 |
| Service | IG | ULS 4138118 | 2026-08-02 01:22:39 |
| Grant Date | 2019-03-26 | ULS 4138118 | 2026-08-02 01:22:39 |
| Expiration Date | 2029-03-26 | ULS 4138118 | 2026-08-02 01:22:39 |