Universal Licensing System
WRDU774
Amazon.Com - SWA2
License details
| ULS identifier | 4182863 |
|---|
| Call sign | WRDU774 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2019-07-24 |
|---|
| Expiration | 2029-07-24 |
|---|
| Frequency range | 451.9 - 468.85 MHz (10 frequencies) |
|---|
| Locations | 1 |
|---|
| Representative location | SEATTLE, KING, WA |
|---|
| Coordinates | 47.5588889, -122.2869167 |
|---|
| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:22:59 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 451.90000000 | | | 25.000000 | 25.000000 | |
| 1 | 1 | MO | 452.67500000 | | | 25.000000 | 25.000000 | |
| 1 | 1 | MO | 456.90000000 | | | 25.000000 | 25.000000 | |
| 1 | 1 | MO | 457.67500000 | | | 25.000000 | 25.000000 | |
| 1 | 1 | MO | 461.32500000 | | | 25.000000 | 25.000000 | |
| 1 | 1 | MO | 461.77500000 | | | 25.000000 | 25.000000 | |
| 1 | 1 | MO | 463.85000000 | | | 25.000000 | 25.000000 | |
| 1 | 1 | MO | 466.32500000 | | | 25.000000 | 25.000000 | |
| 1 | 1 | MO | 466.77500000 | | | 25.000000 | 25.000000 | |
| 1 | 1 | MO | 468.85000000 | | | 25.000000 | 25.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.90000000 | | 7K60FXE |
| 1 | 1 | 452.67500000 | | 7K60FXE |
| 1 | 1 | 456.90000000 | | 7K60FXE |
| 1 | 1 | 457.67500000 | | 7K60FXE |
| 1 | 1 | 461.32500000 | | 7K60FXE |
| 1 | 1 | 461.77500000 | | 7K60FXE |
| 1 | 1 | 463.85000000 | | 7K60FXE |
| 1 | 1 | 466.32500000 | | 7K60FXE |
| 1 | 1 | 466.77500000 | | 7K60FXE |
| 1 | 1 | 468.85000000 | | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | SEATTLE, KING, WA | 47.55888889, -122.28691667 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 3610 S. EDMUNDS ST., SEATTLE, WA | KING | 2062661000 |
License history
| Date | File or call sign | Action |
|---|
| 2020-04-28 | WRDU774 | LETCNS |
| 2019-07-24 | WRDU774 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4182863 | 2026-08-02 01:22:59 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDU774 | ULS 4182863 | 2026-08-02 01:22:59 |
| Status | A | ULS 4182863 | 2026-08-02 01:22:59 |
| Service | IG | ULS 4182863 | 2026-08-02 01:22:59 |
| Grant Date | 2019-07-24 | ULS 4182863 | 2026-08-02 01:22:59 |
| Expiration Date | 2029-07-24 | ULS 4182863 | 2026-08-02 01:22:59 |