Universal Licensing System
WPYN643
Aviation Spectrum Resources Inc
License details
| ULS identifier | 2548395 |
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| Call sign | WPYN643 |
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| Radio service | AF |
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| Status | C |
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| Grant date | 2008-08-26 |
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| Expiration | 2018-09-16 |
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| Cancellation | 2015-12-01 |
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| Frequency range | 136.975 MHz |
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| Locations | 1 |
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| Representative location | Grand Junction, MESA, CO |
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| Coordinates | 39.1224167, -108.5267222 |
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| Source archive | l_coast.zip |
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| Dataset refreshed | 2026-08-02 02:08:33 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FA | 136.97500000 | | | 55.000000 | | HL |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 136.97500000 | | 14K0G1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Walker Field, Grand Junction, MESA, CO | 39.12241667, -108.52672222 | 1481.000 m | BANT | 9.000 m structure / 11.000 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 11.000 m | | | 360.0000 | | |
Control points
| Number | Address | County | Phone |
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| 1 | 2551 Riva Road, Annapolis, MD | ANNE ARUNDEL | 4102662132 |
License history
| Date | File or call sign | Action |
|---|
| 2015-12-02 | WPYN643 | LICAN |
| 2015-02-06 | WPYN643 | LIAUA |
| 2015-02-05 | WPYN643 | LIAUA |
| 2015-02-05 | WPYN643 | ESUAPR |
| 2015-02-04 | WPYN643 | ESUAPR |
| 2008-08-26 | WPYN643 | LIREN |
| 2008-06-23 | WPYN643 | LETRES |
| 2007-03-01 | WPYN643 | AUTHPR |
| 2006-03-07 | WPYN643 | AUTHPR |
| 2006-01-01 | WPYN643 | LIASS |
| 2005-07-25 | WPYN643 | ESCAPR |
| 2003-09-16 | WPYN643 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2548395 | 2026-08-02 02:08:33 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPYN643 | ULS 2548395 | 2026-08-02 02:08:33 |
| Status | C | ULS 2548395 | 2026-08-02 02:08:33 |
| Service | AF | ULS 2548395 | 2026-08-02 02:08:33 |
| Grant Date | 2008-08-26 | ULS 2548395 | 2026-08-02 02:08:33 |
| Expiration Date | 2018-09-16 | ULS 2548395 | 2026-08-02 02:08:33 |
| Cancellation Date | 2015-12-01 | ULS 2548395 | 2026-08-02 02:08:33 |