Universal Licensing System
WCH40
Aviation Spectrum Resources Inc
License details
| ULS identifier | 1974394 |
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| Call sign | WCH40 |
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| Radio service | AF |
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| Status | A |
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| Grant date | 2025-07-10 |
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| Expiration | 2035-06-29 |
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| Frequency range | 129.325 MHz |
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| Locations | 1 |
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| Representative location | SEATTLE, KING, WA |
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| Coordinates | 47.4483056, -122.3025278 |
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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 |
|---|
| 1 | 1 | FA | 129.32500000 | | | 10.000000 | | LL |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 129.32500000 | | 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 | 47.44830556, -122.30252778 | 131.800 m | BANT | 3.000 m structure / 4.800 m overall | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 4.800 m | | | 360.0000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2025-07-10 | WCH40 | LIREN |
| 2025-04-07 | WCH40 | LETRES |
| 2022-02-23 | WCH40 | LIMOD |
| 2015-06-09 | WCH40 | LIREN |
| 2015-04-06 | WCH40 | LETRES |
| 2015-02-06 | WCH40 | LIAUA |
| 2015-02-05 | WCH40 | LIAUA |
| 2015-02-05 | WCH40 | ESUAPR |
| 2015-02-04 | WCH40 | ESUAPR |
| 2007-03-01 | WCH40 | AUTHPR |
| 2006-03-07 | WCH40 | AUTHPR |
| 2006-01-01 | WCH40 | LIASS |
| 2005-07-25 | WCH40 | ESCAPR |
| 2005-05-24 | WCH40 | LIREN |
| 2005-04-04 | WCH40 | LETRES |
| 2001-04-27 | WCH40 | LICCNV |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1974394 | 2026-08-02 02:08:28 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WCH40 | ULS 1974394 | 2026-08-02 02:08:28 |
| Status | A | ULS 1974394 | 2026-08-02 02:08:28 |
| Service | AF | ULS 1974394 | 2026-08-02 02:08:28 |
| Grant Date | 2025-07-10 | ULS 1974394 | 2026-08-02 02:08:28 |
| Expiration Date | 2035-06-29 | ULS 1974394 | 2026-08-02 02:08:28 |