Universal Licensing System
KDX9
Aviation Spectrum Resources Inc
License details
| ULS identifier | 1964849 |
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| Call sign | KDX9 |
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| Radio service | AF |
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| Status | C |
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| Grant date | 2006-04-11 |
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| Expiration | 2016-03-21 |
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| Cancellation | 2008-01-03 |
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| Frequency range | 131.425 MHz |
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| Locations | 1 |
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| Representative location | PORTLAND, MULTNOMAH, OR |
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| Coordinates | 45.5903889, -122.5945278 |
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| Source archive | l_coast.zip |
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| Dataset refreshed | 2026-08-02 02:08:25 |
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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 | FA | 131.42500000 | | | 55.000000 | | LL |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 131.42500000 | | 6K00A3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | PORTLAND INTL AIRPORT, PORTLAND, MULTNOMAH, OR | 45.59038889, -122.59452778 | 8.000 m | B | 8.000 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | 10.000 m | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | DELTA AIRLINES OPERATIONS 1030 DELTA BLVD, ATLANTA, GA | | |
License history
| Date | File or call sign | Action |
|---|
| 2008-01-04 | KDX9 | LICAN |
| 2007-03-01 | KDX9 | AUTHPR |
| 2006-04-11 | KDX9 | LIREN |
| 2006-03-07 | KDX9 | AUTHPR |
| 2006-01-01 | KDX9 | LIASS |
| 2005-12-26 | KDX9 | LETRES |
| 2005-07-25 | KDX9 | ESCAPR |
| 2001-04-27 | KDX9 | LICCNV |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1964849 | 2026-08-02 02:08:25 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | KDX9 | ULS 1964849 | 2026-08-02 02:08:25 |
| Status | C | ULS 1964849 | 2026-08-02 02:08:25 |
| Service | AF | ULS 1964849 | 2026-08-02 02:08:25 |
| Grant Date | 2006-04-11 | ULS 1964849 | 2026-08-02 02:08:25 |
| Expiration Date | 2016-03-21 | ULS 1964849 | 2026-08-02 02:08:25 |
| Cancellation Date | 2008-01-03 | ULS 1964849 | 2026-08-02 02:08:25 |