Universal Licensing System
WQKH255
Tustin Unified School District
License details
| ULS identifier | 3104131 |
|---|---|
| Call sign | WQKH255 |
| Radio service | YW |
| Status | A |
| Grant date | 2021-01-29 |
| Expiration | 2029-05-18 |
| Frequency range | 507.45 - 511.875 MHz (12 frequencies) |
| Locations | 1 |
| Representative location | TUSTIN, ORANGE, CA |
| Coordinates | 33.7384444, -117.8185000 |
| Source archive | l_LMpriv.zip |
| Dataset refreshed | 2026-08-02 01:18:36 |
Licensee
| Name | Tustin Unified School District |
|---|---|
| Applicant type | G |
| FRN | 0017538497 |
| Location | Tustin, CA |
| Address | 300 South C Street, Tustin, CA, 927803695 |
| Phone | 7147307301 |
| [email protected] |
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|---|---|---|---|---|---|---|---|
| 3 | 1 | FB8 | 507.35000000 | 40.000000 | 40.000000 | |||
| 1 | 1 | FB8 | 507.45000000 | 40.000000 | 40.000000 | |||
| 2 | 1 | FB8 | 507.45000000 | 40.000000 | 40.000000 | |||
| 4 | 1 | FB8 | 507.45000000 | 40.000000 | 40.000000 | |||
| 5 | 1 | FB8 | 507.45000000 | 40.000000 | 40.000000 | |||
| 11 | 1 | FB8 | 507.45000000 | 40.000000 | 40.000000 | |||
| 1 | 1 | FB8 | 507.47500000 | 40.000000 | 40.000000 | |||
| 2 | 1 | FB8 | 507.47500000 | 40.000000 | 40.000000 | |||
| 4 | 1 | FB8 | 507.47500000 | 40.000000 | 40.000000 | |||
| 5 | 1 | FB8 | 507.47500000 | 40.000000 | 40.000000 | |||
| 11 | 1 | FB8 | 507.47500000 | 40.000000 | 40.000000 | |||
| 1 | 1 | FB8 | 508.07500000 | 40.000000 | 40.000000 | |||
| 2 | 1 | FB8 | 508.07500000 | 40.000000 | 40.000000 | |||
| 4 | 1 | FB8 | 508.07500000 | 40.000000 | 40.000000 | |||
| 5 | 1 | FB8 | 508.07500000 | 40.000000 | 40.000000 | |||
| 11 | 1 | FB8 | 508.07500000 | 40.000000 | 40.000000 | |||
| 1 | 1 | FB8 | 508.37500000 | 40.000000 | 40.000000 | |||
| 2 | 1 | FB8 | 508.37500000 | 40.000000 | 40.000000 | |||
| 4 | 1 | FB8 | 508.37500000 | 40.000000 | 40.000000 | |||
| 5 | 1 | FB8 | 508.37500000 | 40.000000 | 40.000000 | |||
| 11 | 1 | FB8 | 508.37500000 | 40.000000 | 40.000000 | |||
| 3 | 1 | FB8 | 508.40000000 | 40.000000 | 40.000000 | |||
| 1 | 1 | FB8 | 508.87500000 | 40.000000 | 40.000000 | |||
| 2 | 1 | FB8 | 508.87500000 | 40.000000 | 40.000000 | |||
| 4 | 1 | FB8 | 508.87500000 | 40.000000 | 40.000000 | |||
| 5 | 1 | FB8 | 508.87500000 | 40.000000 | 40.000000 | |||
| 11 | 1 | FB8 | 508.87500000 | 40.000000 | 40.000000 | |||
| 6 | 1 | MO8 | 510.35000000 | 20.000000 | 20.000000 | |||
| 7 | 1 | MO8 | 510.45000000 | 20.000000 | 20.000000 | |||
| 8 | 1 | MO8 | 510.45000000 | 20.000000 | 20.000000 | |||
| 9 | 1 | MO8 | 510.45000000 | 20.000000 | 20.000000 | |||
| 10 | 1 | MO8 | 510.45000000 | 20.000000 | 20.000000 | |||
| 7 | 1 | MO8 | 510.47500000 | 20.000000 | 20.000000 | |||
| 8 | 1 | MO8 | 510.47500000 | 20.000000 | 20.000000 | |||
| 9 | 1 | MO8 | 510.47500000 | 20.000000 | 20.000000 | |||
| 10 | 1 | MO8 | 510.47500000 | 20.000000 | 20.000000 | |||
| 7 | 1 | MO8 | 511.07500000 | 40.000000 | 40.000000 | |||
| 8 | 1 | MO8 | 511.07500000 | 40.000000 | 40.000000 | |||
| 9 | 1 | MO8 | 511.07500000 | 20.000000 | 20.000000 | |||
| 10 | 1 | MO8 | 511.07500000 | 20.000000 | 20.000000 | |||
| 7 | 1 | MO8 | 511.37500000 | 20.000000 | 20.000000 | |||
| 8 | 1 | MO8 | 511.37500000 | 20.000000 | 20.000000 | |||
| 9 | 1 | MO8 | 511.37500000 | 20.000000 | 20.000000 | |||
| 10 | 1 | MO8 | 511.37500000 | 20.000000 | 20.000000 | |||
| 6 | 1 | MO8 | 511.40000000 | 20.000000 | 20.000000 | |||
| 7 | 1 | MO8 | 511.87500000 | 20.000000 | 20.000000 | |||
| 8 | 1 | MO8 | 511.87500000 | 20.000000 | 20.000000 | |||
| 9 | 1 | MO8 | 511.87500000 | 20.000000 | 20.000000 | |||
| 10 | 1 | MO8 | 511.87500000 | 20.000000 | 20.000000 |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|---|---|---|---|
| 3 | 1 | 507.35000000 | 7K60FXE | |
| 3 | 1 | 507.35000000 | 7K60FXD | |
| 3 | 1 | 507.35000000 | 4K00F7W | |
| 1 | 1 | 507.45000000 | 7K60FXE | |
| 1 | 1 | 507.45000000 | 4K00F7W | |
| 1 | 1 | 507.45000000 | 7K60FXD | |
| 2 | 1 | 507.45000000 | 7K60FXD | |
| 2 | 1 | 507.45000000 | 7K60FXE | |
| 2 | 1 | 507.45000000 | 4K00F7W | |
| 4 | 1 | 507.45000000 | 7K60FXD | |
| 4 | 1 | 507.45000000 | 7K60FXE | |
| 4 | 1 | 507.45000000 | 4K00F7W | |
| 5 | 1 | 507.45000000 | 4K00F7W | |
| 5 | 1 | 507.45000000 | 7K60FXE | |
| 5 | 1 | 507.45000000 | 7K60FXD | |
| 11 | 1 | 507.45000000 | 7K60FXD | |
| 11 | 1 | 507.45000000 | 7K60FXE | |
| 11 | 1 | 507.45000000 | 4K00F7W | |
| 1 | 1 | 507.47500000 | 4K00F7W | |
| 1 | 1 | 507.47500000 | 7K60FXE | |
| 1 | 1 | 507.47500000 | 7K60FXD | |
| 2 | 1 | 507.47500000 | 7K60FXE | |
| 2 | 1 | 507.47500000 | 4K00F7W | |
| 2 | 1 | 507.47500000 | 7K60FXD | |
| 4 | 1 | 507.47500000 | 4K00F7W | |
| 4 | 1 | 507.47500000 | 7K60FXE | |
| 4 | 1 | 507.47500000 | 7K60FXD | |
| 5 | 1 | 507.47500000 | 4K00F7W | |
| 5 | 1 | 507.47500000 | 7K60FXE | |
| 5 | 1 | 507.47500000 | 7K60FXD | |
| 11 | 1 | 507.47500000 | 7K60FXE | |
| 11 | 1 | 507.47500000 | 7K60FXD | |
| 11 | 1 | 507.47500000 | 4K00F7W | |
| 1 | 1 | 508.07500000 | 4K00F7W | |
| 1 | 1 | 508.07500000 | 7K60FXE | |
| 1 | 1 | 508.07500000 | 7K60FXD | |
| 2 | 1 | 508.07500000 | 7K60FXD | |
| 2 | 1 | 508.07500000 | 4K00F7W | |
| 2 | 1 | 508.07500000 | 7K60FXE | |
| 4 | 1 | 508.07500000 | 7K60FXE | |
| 4 | 1 | 508.07500000 | 7K60FXD | |
| 4 | 1 | 508.07500000 | 4K00F7W | |
| 5 | 1 | 508.07500000 | 7K60FXD | |
| 5 | 1 | 508.07500000 | 4K00F7W | |
| 5 | 1 | 508.07500000 | 7K60FXE | |
| 11 | 1 | 508.07500000 | 7K60FXD | |
| 11 | 1 | 508.07500000 | 7K60FXE | |
| 11 | 1 | 508.07500000 | 4K00F7W | |
| 1 | 1 | 508.37500000 | 7K60FXE | |
| 1 | 1 | 508.37500000 | 4K00F7W | |
| 1 | 1 | 508.37500000 | 7K60FXD | |
| 2 | 1 | 508.37500000 | 7K60FXD | |
| 2 | 1 | 508.37500000 | 4K00F7W | |
| 2 | 1 | 508.37500000 | 7K60FXE | |
| 4 | 1 | 508.37500000 | 7K60FXD | |
| 4 | 1 | 508.37500000 | 7K60FXE | |
| 4 | 1 | 508.37500000 | 4K00F7W | |
| 5 | 1 | 508.37500000 | 4K00F7W | |
| 5 | 1 | 508.37500000 | 7K60FXD | |
| 5 | 1 | 508.37500000 | 7K60FXE | |
| 11 | 1 | 508.37500000 | 4K00F7W | |
| 11 | 1 | 508.37500000 | 7K60FXE | |
| 11 | 1 | 508.37500000 | 7K60FXD | |
| 3 | 1 | 508.40000000 | 7K60FXE | |
| 3 | 1 | 508.40000000 | 7K60FXD | |
| 3 | 1 | 508.40000000 | 4K00F7W | |
| 1 | 1 | 508.87500000 | 7K60FXD | |
| 1 | 1 | 508.87500000 | 4K00F7W | |
| 1 | 1 | 508.87500000 | 7K60FXE | |
| 2 | 1 | 508.87500000 | 4K00F7W | |
| 2 | 1 | 508.87500000 | 7K60FXE | |
| 2 | 1 | 508.87500000 | 7K60FXD | |
| 4 | 1 | 508.87500000 | 7K60FXE | |
| 4 | 1 | 508.87500000 | 4K00F7W | |
| 4 | 1 | 508.87500000 | 7K60FXD | |
| 5 | 1 | 508.87500000 | 7K60FXE | |
| 5 | 1 | 508.87500000 | 4K00F7W | |
| 5 | 1 | 508.87500000 | 7K60FXD | |
| 11 | 1 | 508.87500000 | 4K00F7W | |
| 11 | 1 | 508.87500000 | 7K60FXE | |
| 11 | 1 | 508.87500000 | 7K60FXD | |
| 6 | 1 | 510.35000000 | 7K60FXD | |
| 6 | 1 | 510.35000000 | 4K00F7W | |
| 6 | 1 | 510.35000000 | 7K60FXE | |
| 7 | 1 | 510.45000000 | 4K00F7W | |
| 7 | 1 | 510.45000000 | 7K60FXD | |
| 7 | 1 | 510.45000000 | 7K60FXE | |
| 8 | 1 | 510.45000000 | 7K60FXD | |
| 8 | 1 | 510.45000000 | 4K00F7W | |
| 8 | 1 | 510.45000000 | 7K60FXE | |
| 9 | 1 | 510.45000000 | 7K60FXD | |
| 9 | 1 | 510.45000000 | 4K00F7W | |
| 9 | 1 | 510.45000000 | 7K60FXE | |
| 10 | 1 | 510.45000000 | 7K60FXD | |
| 10 | 1 | 510.45000000 | 4K00F7W | |
| 10 | 1 | 510.45000000 | 7K60FXE | |
| 7 | 1 | 510.47500000 | 7K60FXE | |
| 7 | 1 | 510.47500000 | 7K60FXD | |
| 7 | 1 | 510.47500000 | 4K00F7W | |
| 8 | 1 | 510.47500000 | 7K60FXD | |
| 8 | 1 | 510.47500000 | 4K00F7W | |
| 8 | 1 | 510.47500000 | 7K60FXE | |
| 9 | 1 | 510.47500000 | 7K60FXE | |
| 9 | 1 | 510.47500000 | 7K60FXD | |
| 9 | 1 | 510.47500000 | 4K00F7W | |
| 10 | 1 | 510.47500000 | 4K00F7W | |
| 10 | 1 | 510.47500000 | 7K60FXD | |
| 10 | 1 | 510.47500000 | 7K60FXE | |
| 7 | 1 | 511.07500000 | 7K60FXE | |
| 7 | 1 | 511.07500000 | 4K00F7W | |
| 7 | 1 | 511.07500000 | 7K60FXD | |
| 8 | 1 | 511.07500000 | 7K60FXE | |
| 8 | 1 | 511.07500000 | 7K60FXD | |
| 8 | 1 | 511.07500000 | 4K00F7W | |
| 9 | 1 | 511.07500000 | 7K60FXD | |
| 9 | 1 | 511.07500000 | 7K60FXE | |
| 9 | 1 | 511.07500000 | 4K00F7W | |
| 10 | 1 | 511.07500000 | 7K60FXE | |
| 10 | 1 | 511.07500000 | 7K60FXD | |
| 10 | 1 | 511.07500000 | 4K00F7W | |
| 7 | 1 | 511.37500000 | 7K60FXE | |
| 7 | 1 | 511.37500000 | 4K00F7W | |
| 7 | 1 | 511.37500000 | 7K60FXD | |
| 8 | 1 | 511.37500000 | 7K60FXE | |
| 8 | 1 | 511.37500000 | 4K00F7W | |
| 8 | 1 | 511.37500000 | 7K60FXD | |
| 9 | 1 | 511.37500000 | 4K00F7W | |
| 9 | 1 | 511.37500000 | 7K60FXE | |
| 9 | 1 | 511.37500000 | 7K60FXD | |
| 10 | 1 | 511.37500000 | 4K00F7W | |
| 10 | 1 | 511.37500000 | 7K60FXE | |
| 10 | 1 | 511.37500000 | 7K60FXD | |
| 6 | 1 | 511.40000000 | 4K00F7W | |
| 6 | 1 | 511.40000000 | 7K60FXD | |
| 6 | 1 | 511.40000000 | 7K60FXE | |
| 7 | 1 | 511.87500000 | 7K60FXE | |
| 7 | 1 | 511.87500000 | 4K00F7W | |
| 7 | 1 | 511.87500000 | 7K60FXD | |
| 8 | 1 | 511.87500000 | 7K60FXE | |
| 8 | 1 | 511.87500000 | 4K00F7W | |
| 8 | 1 | 511.87500000 | 7K60FXD | |
| 9 | 1 | 511.87500000 | 7K60FXD | |
| 9 | 1 | 511.87500000 | 4K00F7W | |
| 9 | 1 | 511.87500000 | 7K60FXE | |
| 10 | 1 | 511.87500000 | 4K00F7W | |
| 10 | 1 | 511.87500000 | 7K60FXD | |
| 10 | 1 | 511.87500000 | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|---|---|---|---|---|---|---|
| 1 | 11112 Coronel Rd, Santa Ana, ORANGE, CA | 33.76694444, -117.78583333 | 107.000 m | TOWER | 10.000 m structure / 15.000 m overall | ||
| 2 | 3588 Bryan Ave, Irvine, ORANGE, CA | 33.71777778, -117.78222222 | 32.000 m | BANT | 12.000 m structure / 15.000 m overall | ||
| 3 | 900 Olinda Dr, Brea, ORANGE, CA | 33.94250000, -117.79777778 | 415.000 m | TOWER | 30.500 m structure / 30.500 m overall | ||
| 4 | 1530 Concordia West, Irvine, ORANGE, CA | 33.65416667, -117.81222222 | 60.000 m | BANT | 10.000 m structure / 15.000 m overall | ||
| 5 | 10331 Stanford Ave, Garden Grove, ORANGE, CA | 33.77833333, -117.95194444 | 25.000 m | BANT | 15.000 m structure / 23.000 m overall | ||
| 6 | T | ||||||
| 7 | |||||||
| 8 | T | ||||||
| 9 | |||||||
| 10 | |||||||
| 11 | T | 1171 EL CAMINO REAL, TUSTIN, ORANGE, CA | 33.73844444, -117.81850000 | 36.000 m | BANT | 12.000 m structure / 15.000 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | 15.000 m | -33.700 | ||||||
| 1 | 2 | 15.000 m | -102.900 | ||||||
| 1 | 3 | 23.000 m | 220.400 | ||||||
| 1 | 4 | 15.000 m | -2.200 | ||||||
| 1 | 5 | 23.000 m | 20.300 | ||||||
| 1 | 6 | ||||||||
| 1 | 7 | ||||||||
| 1 | 8 | ||||||||
| 1 | 9 | ||||||||
| 1 | 10 | ||||||||
| 1 | 11 | T | 15.000 m | -48.000 |
Control points
| Number | Address | County | Phone |
|---|---|---|---|
| 1 | 300 South C Street, Tustin, CA | ORANGE | 7147307301 |
| 2 | 1601 E Chestnut, Santa Ana, CA | ORANGE | 7145585501 |
| 3 | 5050 Barranca Pkwy, Irvine, CA | ORANGE | 9499365000 |
| 4 | 10331 Stanford Ave, Garden Grove, CA | ORANGE | 7146636000 |
| 5 | 2644 Santiago Canyon Rd, Silverado, CA | ORANGE | 7147047900 |
| 6 | 5051 Ridglea Ave, Buena Park, CA | ORANGE | 7144784039 |
| 7 | 1302 Service Rd, Tustin, CA | ORANGE | 7147307301 |
| 8 | 1 Civic Center Plaza, Irvine, CA | ORANGE | 7147247000 |
| 9 | 11301 Acacia Pkwy, Garden Grove, CA | ORANGE | 7147415704 |
| 10 | 200 Kalmus Dr, Costa Mesa, CA | ORANGE | 7149664000 |
| 11 | 1401 W Valencia Dr, Fullerton, CA | ORANGE | 7144477400 |
| 12 | 300 Centennial Way, Tustin, CA | ORANGE | 7147307301 |
License history
| Date | File or call sign | Action |
|---|---|---|
| 2021-01-29 | WQKH255 | LIREN |
| 2019-05-08 | WQKH255 | ESURNW |
| 2019-04-18 | WQKH255 | ESURNW |
| 2019-03-19 | WQKH255 | ESURNW |
| 2019-02-17 | WQKH255 | ESURNW |
| 2019-02-11 | WQKH255 | LETRES |
| 2018-07-25 | WQKH255 | LETTRS |
| 2018-07-25 | WQKH255 | PNLISR |
| 2018-03-20 | WQKH255 | LETCNS |
| 2017-06-15 | WQKH255 | LIMOD |
| 2010-02-17 | WQKH255 | LETCNS |
| 2009-05-18 | WQKH255 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|---|---|---|
| ULS | 3104131 | 2026-08-02 01:18:36 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|---|---|---|
| Call Sign | WQKH255 | ULS 3104131 | 2026-08-02 01:18:36 |
| Status | A | ULS 3104131 | 2026-08-02 01:18:36 |
| Service | YW | ULS 3104131 | 2026-08-02 01:18:36 |
| Grant Date | 2021-01-29 | ULS 3104131 | 2026-08-02 01:18:36 |
| Expiration Date | 2029-05-18 | ULS 3104131 | 2026-08-02 01:18:36 |