Universal Licensing System
WBT3948
MARINE DRILLING MANAGEMENT CO
License details
| ULS identifier | 1346409 |
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| Call sign | WBT3948 |
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| Radio service | SA |
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| Status | E |
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| Grant date | 1994-07-18 |
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| Expiration | 2004-07-18 |
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| Cancellation | 2004-09-26 |
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| Source archive | l_ship.zip |
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| Dataset refreshed | 2026-08-09 20:30:14 |
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Licensee
| Name | MARINE DRILLING MANAGEMENT CO |
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| Applicant type | C |
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| Location | SUGARLAND, TX |
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| Address | 14141 SW FREEWAY STE 2500, SUGARLAND, TX, 774783435 |
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License history
| Date | File or call sign | Action |
|---|
| 2004-09-26 | WBT3948 | LIEXP |
| 2004-04-26 | WBT3948 | LETRES |
| 2000-11-17 | WBT3948 | LICCNV |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1346409 | 2026-08-09 20:30:14 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WBT3948 | ULS 1346409 | 2026-08-09 20:30:14 |
| Status | E | ULS 1346409 | 2026-08-09 20:30:14 |
| Service | SA | ULS 1346409 | 2026-08-09 20:30:14 |
| Grant Date | 1994-07-18 | ULS 1346409 | 2026-08-09 20:30:14 |
| Expiration Date | 2004-07-18 | ULS 1346409 | 2026-08-09 20:30:14 |
| Cancellation Date | 2004-09-26 | ULS 1346409 | 2026-08-09 20:30:14 |