Universal Licensing System
WQDU586
Aviation Spectrum Resources Inc
License details
| ULS identifier | 2760678 |
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| Call sign | WQDU586 |
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| Radio service | AF |
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| Status | A |
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| Grant date | 2025-12-08 |
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| Expiration | 2035-11-02 |
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| Frequency range | 131.725 - 136.975 MHz (3 frequencies) |
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| Locations | 1 |
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| Representative location | Hayden, ROUTT, CO |
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| Coordinates | 40.4838889, -107.2180556 |
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| Source archive | l_coast.zip |
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| Dataset refreshed | 2026-08-02 02:08:32 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FA | 131.72500000 | | | 25.000000 | | HL |
| 1 | 1 | FA | 136.80000000 | | | 25.000000 | | HL |
| 1 | 1 | FA | 136.97500000 | | | 25.000000 | | HL |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 131.72500000 | | 13K0A2D |
| 1 | 1 | 136.80000000 | | 14K0G1D |
| 1 | 1 | 136.97500000 | | 14K0G1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Yampa Valley Regional Airport, Hayden, ROUTT, CO | 40.48388889, -107.21805556 | 2013.600 m | BANT | 9.100 m structure / 10.000 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 10.000 m | | | 360.0000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2025-12-08 | WQDU586 | LIREN |
| 2025-08-11 | WQDU586 | LETRES |
| 2021-07-29 | WQDU586 | LIAUA |
| 2020-01-10 | WQDU586 | LIMOD |
| 2019-08-27 | WQDU586 | LIMOD |
| 2017-11-08 | WQDU586 | LIMOD |
| 2015-11-10 | WQDU586 | LIREN |
| 2015-08-10 | WQDU586 | LETRES |
| 2015-02-06 | WQDU586 | LIAUA |
| 2015-02-05 | WQDU586 | ESUAPR |
| 2015-02-05 | WQDU586 | LIAUA |
| 2015-02-04 | WQDU586 | ESUAPR |
| 2007-03-01 | WQDU586 | AUTHPR |
| 2006-03-07 | WQDU586 | AUTHPR |
| 2006-01-01 | WQDU586 | LIASS |
| 2005-11-02 | WQDU586 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2760678 | 2026-08-02 02:08:32 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQDU586 | ULS 2760678 | 2026-08-02 02:08:32 |
| Status | A | ULS 2760678 | 2026-08-02 02:08:32 |
| Service | AF | ULS 2760678 | 2026-08-02 02:08:32 |
| Grant Date | 2025-12-08 | ULS 2760678 | 2026-08-02 02:08:32 |
| Expiration Date | 2035-11-02 | ULS 2760678 | 2026-08-02 02:08:32 |