Universal Licensing System
587S
Diamond Shamrock Refining and Marketing Company
License details
| ULS identifier | 3348453 |
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| Call sign | 587S |
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| Radio service | AC |
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| Status | C |
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| Grant date | 2012-02-03 |
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| Expiration | 2022-02-03 |
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| Cancellation | 2022-02-02 |
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| Source archive | l_aircr.zip |
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| Dataset refreshed | 2026-08-02 01:40:34 |
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Licensee
| Name | Diamond Shamrock Refining and Marketing Company |
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| Applicant type | C |
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| FRN | 0001682533 |
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| Location | San Antonio, TX |
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| Address | One Valero Place, San Antonio, TX, 78249 |
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License history
| Date | File or call sign | Action |
|---|
| 2022-02-03 | 587S | LICAN |
| 2021-11-08 | 587S | LETRES |
| 2012-02-03 | 587S | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3348453 | 2026-08-02 01:40:34 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | 587S | ULS 3348453 | 2026-08-02 01:40:34 |
| Status | C | ULS 3348453 | 2026-08-02 01:40:34 |
| Service | AC | ULS 3348453 | 2026-08-02 01:40:34 |
| Grant Date | 2012-02-03 | ULS 3348453 | 2026-08-02 01:40:34 |
| Expiration Date | 2022-02-03 | ULS 3348453 | 2026-08-02 01:40:34 |
| Cancellation Date | 2022-02-02 | ULS 3348453 | 2026-08-02 01:40:34 |