Universal Licensing System
WDB4437
Great Lakes Dredge & Dock Company
License details
| ULS identifier | 2523926 |
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| Call sign | WDB4437 |
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| Radio service | SB |
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| Status | C |
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| Grant date | 2003-06-18 |
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| Expiration | 2013-06-18 |
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| Cancellation | 2007-01-25 |
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| Source archive | l_ship.zip |
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| Dataset refreshed | 2026-08-02 02:56:57 |
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Licensee
| Name | Great Lakes Dredge & Dock Company |
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| Applicant type | C |
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| FRN | 0004162376 |
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| Location | Oak Brook, IL |
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| Address | 2122 York Road, Oak Brook, IL, 605231981 |
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License history
| Date | File or call sign | Action |
|---|
| 2007-01-26 | WDB4437 | LICAN |
| 2003-06-18 | WDB4437 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2523926 | 2026-08-02 02:56:57 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WDB4437 | ULS 2523926 | 2026-08-02 02:56:57 |
| Status | C | ULS 2523926 | 2026-08-02 02:56:57 |
| Service | SB | ULS 2523926 | 2026-08-02 02:56:57 |
| Grant Date | 2003-06-18 | ULS 2523926 | 2026-08-02 02:56:57 |
| Expiration Date | 2013-06-18 | ULS 2523926 | 2026-08-02 02:56:57 |
| Cancellation Date | 2007-01-25 | ULS 2523926 | 2026-08-02 02:56:57 |