Universal Licensing System
WRTZ
GLOBAL MARINE DRILLING CO
License details
| ULS identifier | 1577527 |
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| Call sign | WRTZ |
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| Radio service | SB |
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| Status | E |
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| Grant date | 1997-11-21 |
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| Expiration | 2007-12-31 |
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| Cancellation | 2008-03-01 |
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| Source archive | l_ship.zip |
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| Dataset refreshed | 2026-08-02 02:57:32 |
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Licensee
| Name | GLOBAL MARINE DRILLING CO |
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| Applicant type | C |
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| FRN | 0004119707 |
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| Location | HOUSTON, TX |
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| Address | 777 N ELDRIDGE PKY, HOUSTON, TX, 77210 |
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License history
| Date | File or call sign | Action |
|---|
| 2008-03-01 | WRTZ | LIEXP |
| 2007-10-08 | WRTZ | LETRES |
| 2000-11-17 | WRTZ | LICCNV |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1577527 | 2026-08-02 02:57:32 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRTZ | ULS 1577527 | 2026-08-02 02:57:32 |
| Status | E | ULS 1577527 | 2026-08-02 02:57:32 |
| Service | SB | ULS 1577527 | 2026-08-02 02:57:32 |
| Grant Date | 1997-11-21 | ULS 1577527 | 2026-08-02 02:57:32 |
| Expiration Date | 2007-12-31 | ULS 1577527 | 2026-08-02 02:57:32 |
| Cancellation Date | 2008-03-01 | ULS 1577527 | 2026-08-02 02:57:32 |