Universal Licensing System
WSDS350
Worldwide Flight Services, Inc.
License details
| ULS identifier | 4979289 |
|---|
| Call sign | WSDS350 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2024-07-11 |
|---|
| Expiration | 2034-07-11 |
|---|
| Frequency range | 451.3875 - 457.6375 MHz (5 frequencies) |
|---|
| Locations | 1 |
|---|
| Representative location | SeaTac, KING, WA |
|---|
| Coordinates | 47.4556389, -122.3033611 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:24:31 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MO | 451.38750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 452.06250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 452.63750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 456.38750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 457.63750000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.38750000 | | 7K60FXE |
| 1 | 1 | 452.06250000 | | 7K60FXE |
| 1 | 1 | 452.63750000 | | 7K60FXE |
| 1 | 1 | 456.38750000 | | 7K60FXE |
| 1 | 1 | 457.63750000 | | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | SeaTac, KING, WA | 47.45563889, -122.30336111 | | | | |
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 | 2380 S 166th Street, SeaTac, WA | KING | 9294036186 |
License history
| Date | File or call sign | Action |
|---|
| 2025-04-15 | WSDS350 | LETCNS |
| 2024-07-11 | WSDS350 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4979289 | 2026-08-02 01:24:31 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WSDS350 | ULS 4979289 | 2026-08-02 01:24:31 |
| Status | A | ULS 4979289 | 2026-08-02 01:24:31 |
| Service | IG | ULS 4979289 | 2026-08-02 01:24:31 |
| Grant Date | 2024-07-11 | ULS 4979289 | 2026-08-02 01:24:31 |
| Expiration Date | 2034-07-11 | ULS 4979289 | 2026-08-02 01:24:31 |