Universal Licensing System
WQ4001
GREAT LAKES DREDGE & DOCK CO
License details
| ULS identifier | 1561519 |
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| Call sign | WQ4001 |
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| Radio service | SB |
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| Status | C |
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| Grant date | 1998-09-02 |
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| Expiration | 2008-12-01 |
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| Cancellation | 2006-04-20 |
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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 CO |
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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 RD, OAK BROOK, IL, 60521 |
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License history
| Date | File or call sign | Action |
|---|
| 2006-04-21 | WQ4001 | LICAN |
| 2003-02-05 | WQ4001 | LIMOD |
| 2000-11-17 | WQ4001 | LICCNV |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1561519 | 2026-08-02 02:56:57 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQ4001 | ULS 1561519 | 2026-08-02 02:56:57 |
| Status | C | ULS 1561519 | 2026-08-02 02:56:57 |
| Service | SB | ULS 1561519 | 2026-08-02 02:56:57 |
| Grant Date | 1998-09-02 | ULS 1561519 | 2026-08-02 02:56:57 |
| Expiration Date | 2008-12-01 | ULS 1561519 | 2026-08-02 02:56:57 |
| Cancellation Date | 2006-04-20 | ULS 1561519 | 2026-08-02 02:56:57 |