Universal Licensing System
WBW4
Aviation Spectrum Resources Inc
License details
| ULS identifier | 1974272 |
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| Call sign | WBW4 |
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| Radio service | AF |
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| Status | A |
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| Grant date | 2016-09-07 |
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| Expiration | 2026-09-09 |
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| Frequency range | 129.625 MHz |
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| Locations | 1 |
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| Representative location | SEATTLE, KING, WA |
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| Coordinates | 47.4498333, -122.4512500 |
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| Source archive | l_coast.zip |
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| Dataset refreshed | 2026-08-02 02:08:28 |
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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 | 129.62500000 | | | 55.000000 | | LL |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 129.62500000 | | 6K00A3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | SEATTLE TACOMA INTERNATIONAL AIRPORT, SEATTLE, KING, WA | 47.44983333, -122.45125000 | 130.000 m | B | 12.000 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 14.000 m | | | | | |
License history
| Date | File or call sign | Action |
|---|
| 2026-06-15 | WBW4 | LETRES |
| 2016-09-07 | WBW4 | LIREN |
| 2016-06-13 | WBW4 | LETRES |
| 2015-02-06 | WBW4 | LIAUA |
| 2015-02-05 | WBW4 | ESUAPR |
| 2015-02-05 | WBW4 | LIAUA |
| 2015-02-04 | WBW4 | ESUAPR |
| 2007-03-01 | WBW4 | AUTHPR |
| 2006-09-19 | WBW4 | LIREN |
| 2006-06-19 | WBW4 | LETRES |
| 2006-03-07 | WBW4 | AUTHPR |
| 2006-01-01 | WBW4 | LIASS |
| 2005-07-25 | WBW4 | ESCAPR |
| 2001-07-31 | WBW4 | LIREN |
| 2001-06-18 | WBW4 | LETRES |
| 2001-04-27 | WBW4 | LICCNV |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1974272 | 2026-08-02 02:08:28 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WBW4 | ULS 1974272 | 2026-08-02 02:08:28 |
| Status | A | ULS 1974272 | 2026-08-02 02:08:28 |
| Service | AF | ULS 1974272 | 2026-08-02 02:08:28 |
| Grant Date | 2016-09-07 | ULS 1974272 | 2026-08-02 02:08:28 |
| Expiration Date | 2026-09-09 | ULS 1974272 | 2026-08-02 02:08:28 |