Universal Licensing System
WQQT391
Mt. Diablo Unified School District
License details
| ULS identifier | 3450535 |
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| Call sign | WQQT391 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2013-02-27 |
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| Expiration | 2023-02-27 |
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| Cancellation | 2023-04-29 |
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| Frequency range | 451.5875 - 457.8875 MHz (5 frequencies) |
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| Locations | 1 |
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| Representative location | Concord, CONTRA COSTA, CA |
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| Coordinates | 37.9764722, -121.9921389 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:19:05 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 451.58750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 452.81250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 452.88750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 457.81250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 457.88750000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.58750000 | | 11K2F3E |
| 1 | 1 | 452.81250000 | | 11K2F3E |
| 1 | 1 | 452.88750000 | | 11K2F3E |
| 1 | 1 | 457.81250000 | | 11K2F3E |
| 1 | 1 | 457.88750000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | | Concord, CONTRA COSTA, CA | 37.97647222, -121.99213889 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1936 Carlotta Drive, Concord, CA | CONTRA COSTA | 9258257440 |
License history
| Date | File or call sign | Action |
|---|
| 2023-04-29 | WQQT391 | LIEXP |
| 2023-02-17 | WQQT391 | ESURNW |
| 2023-01-28 | WQQT391 | ESURNW |
| 2022-12-29 | WQQT391 | ESURNW |
| 2022-12-05 | WQQT391 | LETRES |
| 2022-11-29 | WQQT391 | ESURNW |
| 2013-02-27 | WQQT391 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3450535 | 2026-08-02 01:19:05 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQQT391 | ULS 3450535 | 2026-08-02 01:19:05 |
| Status | E | ULS 3450535 | 2026-08-02 01:19:05 |
| Service | IG | ULS 3450535 | 2026-08-02 01:19:05 |
| Grant Date | 2013-02-27 | ULS 3450535 | 2026-08-02 01:19:05 |
| Expiration Date | 2023-02-27 | ULS 3450535 | 2026-08-02 01:19:05 |
| Cancellation Date | 2023-04-29 | ULS 3450535 | 2026-08-02 01:19:05 |