Universal Licensing System
WPPD411
WHITERIVER UNIFIED SCHOOL DISTRICT 20
License details
| ULS identifier | 1816639 |
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| Call sign | WPPD411 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2014-08-30 |
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| Expiration | 2024-10-29 |
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| Cancellation | 2025-01-04 |
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| Frequency range | 452.2 - 457.3 MHz (4 frequencies) |
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| Locations | 3 |
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| Representative location | WHITERIVER, NAVAJO, AZ |
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| Coordinates | 33.9764444, -109.7981667 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:10:23 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 3 | 1 | MO | 452.20000000 | | | 2.000000 | 2.000000 | |
| 1 | 1 | FB2 | 452.30000000 | | | 20.000000 | 34.000000 | |
| 2 | 1 | FB2 | 452.30000000 | | | 100.000000 | 280.000000 | |
| 3 | 1 | MO | 457.20000000 | | | 2.000000 | 2.000000 | |
| 3 | 1 | MO | 457.30000000 | | | 60.000000 | 60.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 3 | 1 | 452.20000000 | | 11K2F3E |
| 1 | 1 | 452.30000000 | | 11K2F3E |
| 2 | 1 | 452.30000000 | | 11K2F3E |
| 3 | 1 | 457.20000000 | | 11K2F3E |
| 3 | 1 | 457.30000000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | MCKAYS PEAK NEAR, WHITERIVER, NAVAJO, AZ | 33.97644444, -109.79816667 | 2795.000 m | TOWER | 30.000 m structure / 30.000 m overall | N |
| 2 | T | BREWS HILL NEAR, WHITERIVER, NAVAJO, AZ | 33.93838889, -110.36455556 | 1983.000 m | TOWER | 30.000 m structure / 30.000 m overall | N |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 30.000 m | | | | 473.000 | |
| 1 | 2 | T | | 30.000 m | | | | 166.000 | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | ADMIN OFFICE WHITERIVER SCHOOL 20, WHITERIVER, AZ | NAVAJO | 9283384842 |
| 2 | P.O. Box 190, Whiteriver,, AZ | NAVAJO | 9283384842 |
| 3 | 959 S Chief Avenue, Whiteriver, AZ | NAVAJO | 9283382020 |
License history
| Date | File or call sign | Action |
|---|
| 2025-01-04 | WPPD411 | LIEXP |
| 2024-10-19 | WPPD411 | ESURNW |
| 2024-09-29 | WPPD411 | ESURNW |
| 2024-08-30 | WPPD411 | ESURNW |
| 2024-08-05 | WPPD411 | LETRES |
| 2014-08-30 | WPPD411 | LIREN |
| 2014-08-04 | WPPD411 | LETRES |
| 2014-07-31 | WPPD411 | ESURNW |
| 2012-11-07 | WPPD411 | LIMOD |
| 2012-11-07 | WPPD411 | LTSAPR |
| 2012-11-06 | WPPD411 | ESCAPR |
| 2012-11-06 | WPPD411 | EFCAPR |
| 2004-11-22 | WPPD411 | LETCNS |
| 2004-08-23 | WPPD411 | LIREN |
| 2004-08-18 | WPPD411 | ESCAPR |
| 2004-08-02 | WPPD411 | LETRES |
| 2004-02-18 | WPPD411 | LIMOD |
| 2003-10-29 | WPPD411 | LITIN |
| 2002-01-14 | WPPD411 | AUDOPR |
| 2000-11-23 | WPPD411 | LICCNV |
| 2000-02-04 | WPPD411 | AUTHPR |
| 1999-10-29 | WPPD411 | LIAUA |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1816639 | 2026-08-02 01:10:23 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPPD411 | ULS 1816639 | 2026-08-02 01:10:23 |
| Status | E | ULS 1816639 | 2026-08-02 01:10:23 |
| Service | IG | ULS 1816639 | 2026-08-02 01:10:23 |
| Grant Date | 2014-08-30 | ULS 1816639 | 2026-08-02 01:10:23 |
| Expiration Date | 2024-10-29 | ULS 1816639 | 2026-08-02 01:10:23 |
| Cancellation Date | 2025-01-04 | ULS 1816639 | 2026-08-02 01:10:23 |