Universal Licensing System
WRTF
Polar Tankers, Inc.
License details
| ULS identifier | 2748137 |
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| Call sign | WRTF |
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| Radio service | SB |
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| Status | A |
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| Grant date | 2025-08-02 |
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| Expiration | 2035-09-15 |
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| Source archive | l_ship.zip |
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| Dataset refreshed | 2026-08-02 02:57:37 |
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Licensee
| Name | Polar Tankers, Inc. |
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| Applicant type | C |
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| FRN | 0007266455 |
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| Location | Bartlesville, OK |
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| Address | Bartlesville, OK, 74005 |
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License history
| Date | File or call sign | Action |
|---|
| 2025-08-02 | WRTF | LIREN |
| 2025-06-23 | WRTF | LETRES |
| 2015-09-11 | WRTF | LIREN |
| 2015-06-22 | WRTF | LETRES |
| 2012-02-04 | WRTF | LIAUA |
| 2005-09-15 | WRTF | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2748137 | 2026-08-02 02:57:37 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRTF | ULS 2748137 | 2026-08-02 02:57:37 |
| Status | A | ULS 2748137 | 2026-08-02 02:57:37 |
| Service | SB | ULS 2748137 | 2026-08-02 02:57:37 |
| Grant Date | 2025-08-02 | ULS 2748137 | 2026-08-02 02:57:37 |
| Expiration Date | 2035-09-15 | ULS 2748137 | 2026-08-02 02:57:37 |