Universal Licensing System
WPXL637
Aviation Spectrum Resources Inc
License details
| ULS identifier | 2508830 |
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| Call sign | WPXL637 |
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| Radio service | AF |
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| Status | C |
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| Grant date | 2003-04-30 |
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| Expiration | 2008-04-30 |
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| Cancellation | 2008-02-12 |
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| Frequency range | 131.65 MHz |
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| Locations | 1 |
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| Representative location | Billings, YELLOWSTONE, MT |
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| Coordinates | 45.8076389, -108.5428611 |
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| Source archive | l_coast.zip |
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| Dataset refreshed | 2026-08-02 02:08:34 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FA | 131.65000000 | | | 55.000000 | | LL |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 131.65000000 | | 6K00A3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Billings Logan International, Billings, YELLOWSTONE, MT | 45.80763889, -108.54286111 | 1112.000 m | BANT | 6.000 m structure / 7.000 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 7.000 m | | | 360.0000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2008-02-13 | WPXL637 | LICAN |
| 2008-02-04 | WPXL637 | LETRES |
| 2007-03-01 | WPXL637 | AUTHPR |
| 2006-03-07 | WPXL637 | AUTHPR |
| 2006-01-01 | WPXL637 | LIASS |
| 2005-07-25 | WPXL637 | ESCAPR |
| 2003-04-30 | WPXL637 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2508830 | 2026-08-02 02:08:34 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPXL637 | ULS 2508830 | 2026-08-02 02:08:34 |
| Status | C | ULS 2508830 | 2026-08-02 02:08:34 |
| Service | AF | ULS 2508830 | 2026-08-02 02:08:34 |
| Grant Date | 2003-04-30 | ULS 2508830 | 2026-08-02 02:08:34 |
| Expiration Date | 2008-04-30 | ULS 2508830 | 2026-08-02 02:08:34 |
| Cancellation Date | 2008-02-12 | ULS 2508830 | 2026-08-02 02:08:34 |