Universal Licensing System
WDF3577
Stephen C P Mack Family Boat LLC
License details
| ULS identifier | 3173339 |
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| Call sign | WDF3577 |
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| Radio service | SA |
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| Status | A |
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| Grant date | 2020-01-03 |
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| Expiration | 2030-03-03 |
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| Source archive | l_ship.zip |
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| Dataset refreshed | 2026-08-02 02:57:50 |
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Licensee
| Name | Stephen C P Mack Family Boat LLC |
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| Applicant type | L |
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| FRN | 0019623933 |
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| Location | Chicago, IL |
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| Address | 656 West Willow Street, Chicago, IL, 60614 |
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License history
| Date | File or call sign | Action |
|---|
| 2020-01-03 | WDF3577 | LIREN |
| 2019-12-09 | WDF3577 | LETRES |
| 2014-05-22 | WDF3577 | LIAUA |
| 2010-03-03 | WDF3577 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3173339 | 2026-08-02 02:57:50 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WDF3577 | ULS 3173339 | 2026-08-02 02:57:50 |
| Status | A | ULS 3173339 | 2026-08-02 02:57:50 |
| Service | SA | ULS 3173339 | 2026-08-02 02:57:50 |
| Grant Date | 2020-01-03 | ULS 3173339 | 2026-08-02 02:57:50 |
| Expiration Date | 2030-03-03 | ULS 3173339 | 2026-08-02 02:57:50 |