Universal Licensing System
WPKZ557
PINON UNIFIED SCHOOL DISTRICT 4
License details
| ULS identifier | 1753641 |
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| Call sign | WPKZ557 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2022-09-28 |
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| Expiration | 2032-10-21 |
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| Frequency range | 151.835 - 466.025 MHz (3 frequencies) |
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| Locations | 3 |
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| Representative location | PINON, NAVAJO, AZ |
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| Coordinates | 36.0758333, -110.3318056 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:16:48 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 151.83500000 | | | 110.000000 | 117.000000 | |
| 5 | 1 | MO | 151.83500000 | | | 110.000000 | 110.000000 | |
| 2 | 1 | FB2 | 461.02500000 | | | 50.000000 | 110.000000 | |
| 3 | 1 | FX1 | 466.02500000 | | | 25.000000 | 25.000000 | |
| 4 | 1 | MO | 466.02500000 | | | 110.000000 | 110.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 151.83500000 | | 11K0F3E |
| 5 | 1 | 151.83500000 | | 11K0F3E |
| 2 | 1 | 461.02500000 | | 11K0F3E |
| 3 | 1 | 466.02500000 | | 11K0F3E |
| 4 | 1 | 466.02500000 | | 11K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | LITTLE BLACK SPOT MOUNTAIN, PINON, NAVAJO, AZ | 36.07583333, -110.33180556 | 2123.000 m | TOWER | 43.000 m structure / 46.000 m overall | N |
| 2 | T | ADMIN OFFICE 1.5 KM N, PINON, NAVAJO, AZ | 36.11638889, -110.21708333 | 1947.000 m | B | 4.000 m structure / 8.000 m overall | N |
| 3 | T | AZ | | | | | |
| 4 | T | LITTLE BLACK SPOT MOUNTAIN, PINON, NAVAJO, AZ | 36.07583333, -110.33180556 | | | | N |
| 5 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 23.000 m | | | | 227.000 | |
| 1 | 2 | T | | 8.000 m | | | | -1.000 | |
| 1 | 3 | T | | | | | | | |
| 1 | 4 | T | | | | | | | |
| 1 | 5 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | ADMIN OFFICE 1.5 KM N, PINON, AZ | NAVAJO | 5207253450 |
License history
| Date | File or call sign | Action |
|---|
| 2022-09-28 | WPKZ557 | LIREN |
| 2022-09-21 | WPKZ557 | ESURNW |
| 2022-08-22 | WPKZ557 | ESURNW |
| 2022-07-25 | WPKZ557 | LETRES |
| 2022-07-23 | WPKZ557 | ESURNW |
| 2013-03-01 | WPKZ557 | LIREN |
| 2012-07-30 | WPKZ557 | LETRES |
| 2002-09-05 | WPKZ557 | LIREN |
| 2002-07-29 | WPKZ557 | LETRES |
| 2001-12-04 | WPKZ557 | AUDOPR |
| 2000-11-23 | WPKZ557 | LICCNV |
| 1997-10-21 | WPKZ557 | LIISS |
| 1997-10-21 | WPKZ557 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1753641 | 2026-08-02 01:16:48 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPKZ557 | ULS 1753641 | 2026-08-02 01:16:48 |
| Status | A | ULS 1753641 | 2026-08-02 01:16:48 |
| Service | IG | ULS 1753641 | 2026-08-02 01:16:48 |
| Grant Date | 2022-09-28 | ULS 1753641 | 2026-08-02 01:16:48 |
| Expiration Date | 2032-10-21 | ULS 1753641 | 2026-08-02 01:16:48 |