Universal Licensing System
WDD7931
Grifco Transportation, Ltd.
License details
| ULS identifier | 2917787 |
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| Call sign | WDD7931 |
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| Radio service | SB |
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| Status | C |
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| Grant date | 2007-06-08 |
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| Expiration | 2017-06-08 |
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| Cancellation | 2011-10-27 |
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| Source archive | l_ship.zip |
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| Dataset refreshed | 2026-08-02 02:56:01 |
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Licensee
| Name | Grifco Transportation, Ltd. |
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| Applicant type | E |
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| FRN | 0008032682 |
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| Location | Houston, TX |
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| Address | 9001 - A Frey Road, Houston, TX, 77034 |
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License history
| Date | File or call sign | Action |
|---|
| 2011-10-29 | WDD7931 | LTSFND |
| 2011-10-29 | WDD7931 | LTSFRN |
| 2011-10-28 | WDD7931 | EFCFRN |
| 2011-10-28 | WDD7931 | EFCFND |
| 2011-10-28 | WDD7931 | LICAN |
| 2011-10-28 | WDD7931 | ESCFRN |
| 2011-10-28 | WDD7931 | ESCFND |
| 2011-10-27 | WDD7931 | EFUFRN |
| 2011-10-27 | WDD7931 | EFUFND |
| 2011-10-27 | WDD7931 | ESUFND |
| 2011-10-27 | WDD7931 | ESUFRN |
| 2007-06-08 | WDD7931 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2917787 | 2026-08-02 02:56:01 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WDD7931 | ULS 2917787 | 2026-08-02 02:56:01 |
| Status | C | ULS 2917787 | 2026-08-02 02:56:01 |
| Service | SB | ULS 2917787 | 2026-08-02 02:56:01 |
| Grant Date | 2007-06-08 | ULS 2917787 | 2026-08-02 02:56:01 |
| Expiration Date | 2017-06-08 | ULS 2917787 | 2026-08-02 02:56:01 |
| Cancellation Date | 2011-10-27 | ULS 2917787 | 2026-08-02 02:56:01 |