Universal Licensing System
WPXZ563
Walnut Valley Unified School District
License details
| ULS identifier | 2529834 |
|---|---|
| Call sign | WPXZ563 |
| Radio service | IG |
| Status | E |
| Grant date | 2013-06-21 |
| Expiration | 2023-07-07 |
| Cancellation | 2023-09-09 |
| Frequency range | 72.1 - 72.36 MHz (12 frequencies) |
| Locations | 1 |
| Representative location | Diamond Bar, LOS ANGELES, CA |
| Coordinates | 33.9824722, -117.8391111 |
| Source archive | l_LMpriv.zip |
| Dataset refreshed | 2026-08-02 01:25:17 |
Licensee
| Name | Walnut Valley Unified School District |
|---|---|
| Applicant type | G |
| FRN | 0008826257 |
| Location | Walnut, CA |
| Address | 880 S. Lemon Ave., Walnut, CA, 91789 |
| Phone | 9095951261 |
| [email protected] |
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|---|---|---|---|---|---|---|---|
| 5 | 1 | MO | 72.10000000 | 0.700000 | 0.500000 | |||
| 13 | 1 | MO | 72.10000000 | 1.000000 | 1.000000 | |||
| 1 | 1 | MO | 72.12000000 | 0.700000 | 0.500000 | |||
| 11 | 1 | FXO | 72.14000000 | 2.000000 | 1.500000 | |||
| 4 | 1 | MO | 72.16000000 | 0.700000 | 0.500000 | |||
| 6 | 1 | MO | 72.16000000 | 0.700000 | 0.500000 | |||
| 12 | 1 | FXO | 72.18000000 | 2.000000 | 1.500000 | |||
| 3 | 1 | MO | 72.20000000 | 0.700000 | 0.500000 | |||
| 2 | 1 | MO | 72.22000000 | 0.700000 | 0.500000 | |||
| 9 | 1 | FXO | 72.24000000 | 2.000000 | 1.500000 | |||
| 13 | 1 | MO | 72.24000000 | 1.000000 | 1.000000 | |||
| 7 | 1 | MO | 72.26000000 | 0.700000 | 0.500000 | |||
| 8 | 1 | FXO | 72.30000000 | 2.000000 | 1.500000 | |||
| 10 | 1 | MO | 72.34000000 | 1.000000 | 1.000000 | |||
| 5 | 1 | MO | 72.36000000 | 0.700000 | 0.500000 |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|---|---|---|---|
| 5 | 1 | 72.10000000 | 20K0F1D | |
| 13 | 1 | 72.10000000 | 20K0F1D | |
| 1 | 1 | 72.12000000 | 20K0F1D | |
| 11 | 1 | 72.14000000 | 20K0F1D | |
| 4 | 1 | 72.16000000 | 20K0F1D | |
| 6 | 1 | 72.16000000 | 20K0F1D | |
| 12 | 1 | 72.18000000 | 20K0F1D | |
| 3 | 1 | 72.20000000 | 20K0F1D | |
| 2 | 1 | 72.22000000 | 20K0F1D | |
| 9 | 1 | 72.24000000 | 20K0F1D | |
| 13 | 1 | 72.24000000 | 20K0F1D | |
| 7 | 1 | 72.26000000 | 20K0F1D | |
| 8 | 1 | 72.30000000 | 20K0F1D | |
| 10 | 1 | 72.34000000 | 20K0F1D | |
| 5 | 1 | 72.36000000 | 20K0F1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|---|---|---|---|---|---|---|
| 1 | T | Diamond Bar, LOS ANGELES, CA | 33.97230556, -117.84250000 | ||||
| 2 | T | Walnut, LOS ANGELES, CA | 34.04897222, -117.85288889 | N | |||
| 3 | T | Walnut, LOS ANGELES, CA | 34.01705556, -117.86141667 | N | |||
| 4 | T | Diamond Bar, LOS ANGELES, CA | 33.92972222, -117.83508333 | N | |||
| 5 | T | Walnut, LOS ANGELES, CA | 34.02150000, -117.85130556 | N | |||
| 6 | T | Walnut, LOS ANGELES, CA | 34.00163889, -117.85327778 | N | |||
| 7 | T | Walnut, LOS ANGELES, CA | 34.02502778, -117.84961111 | N | |||
| 8 | T | 1405 South Spruce Tree Street, Diamond Bar, LOS ANGELES, CA | 33.99538889, -117.81847222 | 310.000 m | BMAST | 9.100 m structure / 10.700 m overall | N |
| 9 | T | 19875 Calle Baja, Walnut, LOS ANGELES, CA | 34.01236111, -117.86786111 | 175.000 m | BMAST | 10.600 m structure / 12.200 m overall | N |
| 10 | T | Walnut, LOS ANGELES, CA | 33.98275000, -117.83861111 | N | |||
| 11 | T | 1350 Maple Hill Road, Diamond Bar, LOS ANGELES, CA | 33.99652778, -117.82491667 | 304.000 m | BMAST | 4.600 m structure / 6.200 m overall | N |
| 12 | T | 1405 Spruce Tree Dr., Diamond Bar, LOS ANGELES, CA | 33.99536111, -117.81847222 | 310.000 m | BMAST | 4.600 m structure / 6.200 m overall | N |
| 13 | T | Diamond Bar, LOS ANGELES, CA | 33.98247222, -117.83911111 | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | ||||||||
| 1 | 2 | ||||||||
| 1 | 3 | ||||||||
| 1 | 4 | ||||||||
| 1 | 5 | ||||||||
| 1 | 6 | ||||||||
| 1 | 7 | ||||||||
| 1 | 8 | T | 10.700 m | 87.400 | |||||
| 1 | 9 | T | 12.200 m | -33.800 | |||||
| 1 | 10 | ||||||||
| 1 | 11 | T | 6.200 m | 71.800 | |||||
| 1 | 12 | T | 6.200 m | 82.900 | |||||
| 1 | 13 |
Control points
| Number | Address | County | Phone |
|---|---|---|---|
| 1 | 2975 Castle Rock Rd, Diamond Bar, CA | LOS ANGELES | 9095951261 |
| 2 | 20725 E Collegewood Dr. Collegewood Elem School, Walnut, CA | LOS ANGELES | 9095951261 |
| 3 | 20222 E. Vejar Road, Walnut, CA | LOS ANGELES | 9095951261 |
| 4 | 2450 S. Evergreen Springs, Diamond Bar, CA | LOS ANGELES | 9095951261 |
| 5 | 400 N. Pierre, Walnut, CA | LOS ANGELES | 9095951261 |
| 6 | 841 S. Glenwick Ave., Walnut, CA | LOS ANGELES | 9095951261 |
| 7 | 525 Suzanne Road, Walnut, CA | LOS ANGELES | 9095951261 |
License history
| Date | File or call sign | Action |
|---|---|---|
| 2023-09-09 | WPXZ563 | LIEXP |
| 2023-06-27 | WPXZ563 | ESURNW |
| 2023-06-07 | WPXZ563 | ESURNW |
| 2023-05-08 | WPXZ563 | ESURNW |
| 2023-04-10 | WPXZ563 | LETRES |
| 2023-04-08 | WPXZ563 | ESURNW |
| 2022-07-20 | WPXZ563 | LIMOD |
| 2021-12-22 | WPXZ563 | LIMOD |
| 2021-08-13 | WPXZ563 | LIMOD |
| 2021-06-07 | WPXZ563 | LIMOD |
| 2015-07-27 | WPXZ563 | LIMOD |
| 2015-07-20 | WPXZ563 | LTSAPR |
| 2014-06-03 | WPXZ563 | LIMOD |
| 2014-05-22 | WPXZ563 | LTSAPR |
| 2014-05-21 | WPXZ563 | LTSAPR |
| 2013-09-25 | WPXZ563 | LIMOD |
| 2013-08-26 | WPXZ563 | LTSAPR |
| 2013-06-21 | WPXZ563 | LTSAPR |
| 2013-06-21 | WPXZ563 | LIREN |
| 2013-05-23 | WPXZ563 | LTSAPR |
| 2013-04-15 | WPXZ563 | LETRES |
| 2013-03-29 | WPXZ563 | LIMOD |
| 2012-12-06 | WPXZ563 | LTSAPR |
| 2007-11-01 | WPXZ563 | LIAUA |
| 2007-11-01 | WPXZ563 | LTSAPR |
| 2004-11-09 | WPXZ563 | LIMOD |
| 2004-08-23 | WPXZ563 | LTSAPR |
| 2004-07-09 | WPXZ563 | LIAUA |
| 2004-07-09 | WPXZ563 | LTSAPR |
| 2004-05-21 | WPXZ563 | LIMOD |
| 2004-04-05 | WPXZ563 | LETCNS |
| 2003-07-07 | WPXZ563 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|---|---|---|
| ULS | 2529834 | 2026-08-02 01:25:17 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|---|---|---|
| Call Sign | WPXZ563 | ULS 2529834 | 2026-08-02 01:25:17 |
| Status | E | ULS 2529834 | 2026-08-02 01:25:17 |
| Service | IG | ULS 2529834 | 2026-08-02 01:25:17 |
| Grant Date | 2013-06-21 | ULS 2529834 | 2026-08-02 01:25:17 |
| Expiration Date | 2023-07-07 | ULS 2529834 | 2026-08-02 01:25:17 |
| Cancellation Date | 2023-09-09 | ULS 2529834 | 2026-08-02 01:25:17 |