Universal Licensing System
WDN4450
Great Lakes Dredge & Dock Co. LLC
License details
| ULS identifier | 4675787 |
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| Call sign | WDN4450 |
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| Radio service | SB |
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| Status | A |
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| Grant date | 2022-10-14 |
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| Expiration | 2032-10-14 |
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| Source archive | l_ship.zip |
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| Dataset refreshed | 2026-08-02 02:59:34 |
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Licensee
| Name | Great Lakes Dredge & Dock Co. 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 Freeway Suite 1200, Houston, TX, 77024 |
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License history
| Date | File or call sign | Action |
|---|
| 2022-10-14 | WDN4450 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4675787 | 2026-08-02 02:59:34 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WDN4450 | ULS 4675787 | 2026-08-02 02:59:34 |
| Status | A | ULS 4675787 | 2026-08-02 02:59:34 |
| Service | SB | ULS 4675787 | 2026-08-02 02:59:34 |
| Grant Date | 2022-10-14 | ULS 4675787 | 2026-08-02 02:59:34 |
| Expiration Date | 2032-10-14 | ULS 4675787 | 2026-08-02 02:59:34 |