Universal Licensing System
WDA4978
Great Lakes Dredge & Dock Company, LLC
License details
| ULS identifier | 2325958 |
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| Call sign | WDA4978 |
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| Radio service | SB |
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| Status | A |
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| Grant date | 2021-06-02 |
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| Expiration | 2031-06-12 |
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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 | C |
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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 | WDA4978 | LIAUA |
| 2021-06-02 | WDA4978 | LIREN |
| 2021-03-22 | WDA4978 | LETRES |
| 2020-12-10 | WDA4978 | LIAUA |
| 2011-06-08 | WDA4978 | LIREN |
| 2011-06-08 | WDA4978 | ESUFNR |
| 2011-03-21 | WDA4978 | LETRES |
| 2005-02-07 | WDA4978 | AUTHPR |
| 2004-06-26 | WDA4978 | LIAUA |
| 2001-06-12 | WDA4978 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2325958 | 2026-08-02 02:58:44 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WDA4978 | ULS 2325958 | 2026-08-02 02:58:44 |
| Status | A | ULS 2325958 | 2026-08-02 02:58:44 |
| Service | SB | ULS 2325958 | 2026-08-02 02:58:44 |
| Grant Date | 2021-06-02 | ULS 2325958 | 2026-08-02 02:58:44 |
| Expiration Date | 2031-06-12 | ULS 2325958 | 2026-08-02 02:58:44 |