Universal Licensing System
WYE4
Montana Aeronautics
License details
| ULS identifier | 1985764 |
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| Call sign | WYE4 |
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| Radio service | AF |
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| Status | A |
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| Grant date | 2018-05-31 |
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| Expiration | 2028-06-25 |
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| Frequency range | 122.8 MHz |
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| Locations | 1 |
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| Representative location | POPLAR, ROOSEVELT, MT |
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| Coordinates | 48.1139167, -105.1894167 |
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| Source archive | l_coast.zip |
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| Dataset refreshed | 2026-08-02 02:08:18 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 1 | FAA | 122.80000000 | | | 10.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 122.80000000 | | 6K00A3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | POPLAR AIRPORT, POPLAR, ROOSEVELT, MT | 48.11391667, -105.18941667 | 611.000 m | B | 7.000 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 9.000 m | | | | | |
License history
| Date | File or call sign | Action |
|---|
| 2022-11-15 | WYE4 | LIAUA |
| 2022-10-18 | WYE4 | LIAUA |
| 2020-07-21 | WYE4 | LIAUA |
| 2019-08-14 | WYE4 | LIAUA |
| 2018-05-31 | WYE4 | LIREN |
| 2018-04-02 | WYE4 | LETRES |
| 2015-05-28 | WYE4 | LIAUA |
| 2015-05-27 | WYE4 | ESUAPR |
| 2008-05-20 | WYE4 | LIREN |
| 2008-03-31 | WYE4 | LETRES |
| 2008-03-27 | WYE4 | ESURNW |
| 2005-10-06 | WYE4 | LIAUA |
| 2005-10-05 | WYE4 | ESUAPR |
| 2003-12-16 | WYE4 | LIAUA |
| 2003-05-14 | WYE4 | LIREN |
| 2003-03-31 | WYE4 | LETRES |
| 2001-04-27 | WYE4 | LICCNV |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1985764 | 2026-08-02 02:08:18 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WYE4 | ULS 1985764 | 2026-08-02 02:08:18 |
| Status | A | ULS 1985764 | 2026-08-02 02:08:18 |
| Service | AF | ULS 1985764 | 2026-08-02 02:08:18 |
| Grant Date | 2018-05-31 | ULS 1985764 | 2026-08-02 02:08:18 |
| Expiration Date | 2028-06-25 | ULS 1985764 | 2026-08-02 02:08:18 |