Universal Licensing System
KDU3
Aviation Spectrum Resources Inc
License details
| ULS identifier | 1964813 |
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| Call sign | KDU3 |
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| Radio service | AF |
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| Status | A |
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| Grant date | 2017-01-04 |
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| Expiration | 2027-01-23 |
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| Frequency range | 129.825 MHz |
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| Locations | 1 |
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| Representative location | SEATTLE, KING, WA |
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| Coordinates | 47.5298333, -122.3028889 |
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| Source archive | l_coast.zip |
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| Dataset refreshed | 2026-08-02 02:08:24 |
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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 | 129.82500000 | | | 55.000000 | | LL |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 129.82500000 | | 6K00A3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | KING COUNTY INTERNATIONAL AIRPORT, SEATTLE, KING, WA | 47.52983333, -122.30288889 | 5.000 m | | 12.000 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 15.000 m | | | | | |
License history
| Date | File or call sign | Action |
|---|
| 2017-01-04 | KDU3 | LIREN |
| 2016-10-31 | KDU3 | LETRES |
| 2015-02-06 | KDU3 | LIAUA |
| 2015-02-05 | KDU3 | LIAUA |
| 2015-02-05 | KDU3 | ESUAPR |
| 2015-02-04 | KDU3 | ESUAPR |
| 2007-03-01 | KDU3 | AUTHPR |
| 2007-01-09 | KDU3 | LIREN |
| 2006-10-30 | KDU3 | LETRES |
| 2006-03-07 | KDU3 | AUTHPR |
| 2006-01-01 | KDU3 | LIASS |
| 2005-07-25 | KDU3 | ESCAPR |
| 2001-12-11 | KDU3 | LIREN |
| 2001-10-29 | KDU3 | LETRES |
| 2001-04-27 | KDU3 | LICCNV |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1964813 | 2026-08-02 02:08:24 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | KDU3 | ULS 1964813 | 2026-08-02 02:08:24 |
| Status | A | ULS 1964813 | 2026-08-02 02:08:24 |
| Service | AF | ULS 1964813 | 2026-08-02 02:08:24 |
| Grant Date | 2017-01-04 | ULS 1964813 | 2026-08-02 02:08:24 |
| Expiration Date | 2027-01-23 | ULS 1964813 | 2026-08-02 02:08:24 |