Universal Licensing System
WSDY550
Seafair
License details
| ULS identifier | 4987872 |
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| Call sign | WSDY550 |
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| Radio service | AF |
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| Status | E |
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| Grant date | 2024-07-29 |
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| Expiration | 2024-08-05 |
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| Cancellation | 2024-10-05 |
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| Frequency range | 121.325 - 125.425 MHz (3 frequencies) |
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| Locations | 1 |
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| Representative location | Seattle, KING, WA |
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| Coordinates | 47.5725000, -122.2516667 |
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| Source archive | l_coast.zip |
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| Dataset refreshed | 2026-08-02 02:08:41 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FAC | 121.32500000 | | | 10.000000 | | |
| 1 | 1 | FAC | 124.87500000 | | | 10.000000 | | |
| 1 | 1 | FAC | 125.42500000 | | | 10.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 121.32500000 | | 6K00A3E |
| 1 | 1 | 124.87500000 | | 6K00A3E |
| 1 | 1 | 125.42500000 | | 6K00A3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 3800 Lake Washington Blvd, Seattle, KING, WA | 47.57250000, -122.25166667 | 2.000 m | PIPE | 4.000 m structure / 4.500 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 4.500 m | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 3800 Lake Washington Blvd, Seattle, WA | KING | 2069341075 |
License history
| Date | File or call sign | Action |
|---|
| 2024-10-05 | WSDY550 | LIEXP |
| 2024-07-29 | WSDY550 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4987872 | 2026-08-02 02:08:41 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WSDY550 | ULS 4987872 | 2026-08-02 02:08:41 |
| Status | E | ULS 4987872 | 2026-08-02 02:08:41 |
| Service | AF | ULS 4987872 | 2026-08-02 02:08:41 |
| Grant Date | 2024-07-29 | ULS 4987872 | 2026-08-02 02:08:41 |
| Expiration Date | 2024-08-05 | ULS 4987872 | 2026-08-02 02:08:41 |
| Cancellation Date | 2024-10-05 | ULS 4987872 | 2026-08-02 02:08:41 |