Universal Licensing System
WDK4509
Great Lakes Dredge & Dock Company, LLC
License details
| ULS identifier | 4076598 |
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| Call sign | WDK4509 |
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| Radio service | SB |
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| Status | A |
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| Grant date | 2018-08-23 |
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| Expiration | 2028-08-23 |
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| Source archive | l_ship.zip |
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| Dataset refreshed | 2026-08-02 02:58:44 |
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Licensee
| Name | Great Lakes Dredge & Dock Company, LLC |
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| Applicant type | L |
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| FRN | 0011437274 |
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| Location | Houston, TX |
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| Address | 9811 Katy Fwy Suite 1200, Houston, TX, 77024 |
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License history
| Date | File or call sign | Action |
|---|
| 2022-04-09 | WDK4509 | LIAUA |
| 2020-12-10 | WDK4509 | LIAUA |
| 2018-08-23 | WDK4509 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4076598 | 2026-08-02 02:58:44 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WDK4509 | ULS 4076598 | 2026-08-02 02:58:44 |
| Status | A | ULS 4076598 | 2026-08-02 02:58:44 |
| Service | SB | ULS 4076598 | 2026-08-02 02:58:44 |
| Grant Date | 2018-08-23 | ULS 4076598 | 2026-08-02 02:58:44 |
| Expiration Date | 2028-08-23 | ULS 4076598 | 2026-08-02 02:58:44 |