Universal Licensing System
WQBX504
SAN RAMON UNIFIED SCHOOL DISTRICT
License details
| ULS identifier | 2683464 |
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| Call sign | WQBX504 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2005-01-03 |
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| Expiration | 2015-01-03 |
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| Cancellation | 2015-03-07 |
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| Frequency range | 452.975 - 464.45 MHz (3 frequencies) |
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| Locations | 2 |
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| Representative location | ALAMO, CONTRA COSTA, CA |
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| Coordinates | 37.8400833, -122.0273611 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:17:29 |
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Licensee
| Name | SAN RAMON UNIFIED SCHOOL DISTRICT |
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| Applicant type | G |
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| FRN | 0011563491 |
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| Location | SAN RAMON, CA |
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| Address | 3280 E CROW CANYON ROAD, SAN RAMON, CA, 94583 |
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| Phone | 9258240267 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 452.97500000 | | | 25.000000 | 50.000000 | |
| 2 | 1 | MO | 452.97500000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | FB | 461.05000000 | | | 25.000000 | 50.000000 | |
| 2 | 1 | MO | 461.05000000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | FB | 464.45000000 | | | 25.000000 | 50.000000 | |
| 2 | 1 | MO | 464.45000000 | | | 5.000000 | 5.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 452.97500000 | | 11K2F3E |
| 2 | 1 | 452.97500000 | | 11K2F3E |
| 1 | 1 | 461.05000000 | | 11K2F3E |
| 2 | 1 | 461.05000000 | | 11K2F3E |
| 1 | 1 | 464.45000000 | | 11K2F3E |
| 2 | 1 | 464.45000000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 180 HEMME AVE., ALAMO, CONTRA COSTA, CA | 37.84008333, -122.02736111 | 94.400 m | BANT | 6.100 m structure / 7.700 m overall | |
| 2 | T | | | 0.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | 7.700 m | | | | -91.000 | |
| 1 | 2 | | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 180 HEMME AVE, ALAMO, CA | CONTRA COSTA | 9258318376 |
License history
| Date | File or call sign | Action |
|---|
| 2015-03-07 | WQBX504 | LIEXP |
| 2014-10-13 | WQBX504 | LETRES |
| 2013-06-22 | WQBX504 | LIAUA |
| 2013-06-21 | WQBX504 | ESCAPR |
| 2005-01-03 | WQBX504 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2683464 | 2026-08-02 01:17:29 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQBX504 | ULS 2683464 | 2026-08-02 01:17:29 |
| Status | E | ULS 2683464 | 2026-08-02 01:17:29 |
| Service | IG | ULS 2683464 | 2026-08-02 01:17:29 |
| Grant Date | 2005-01-03 | ULS 2683464 | 2026-08-02 01:17:29 |
| Expiration Date | 2015-01-03 | ULS 2683464 | 2026-08-02 01:17:29 |
| Cancellation Date | 2015-03-07 | ULS 2683464 | 2026-08-02 01:17:29 |