Universal Licensing System
57SK
N57SK, LLC
License details
| ULS identifier | 3665109 |
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| Call sign | 57SK |
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| Radio service | AC |
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| Status | E |
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| Grant date | 2015-01-23 |
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| Expiration | 2025-01-23 |
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| Cancellation | 2025-03-29 |
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| Source archive | l_aircr.zip |
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| Dataset refreshed | 2026-08-02 01:41:25 |
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Licensee
| Name | N57SK, LLC |
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| Applicant type | L |
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| FRN | 0024213548 |
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| Location | Philadelphia, PA |
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| Address | 1735 Market Street, Suite 4010, Philadelphia, PA, 19103 |
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License history
| Date | File or call sign | Action |
|---|
| 2025-03-29 | 57SK | LIEXP |
| 2024-10-28 | 57SK | LETRES |
| 2015-01-23 | 57SK | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3665109 | 2026-08-02 01:41:25 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | 57SK | ULS 3665109 | 2026-08-02 01:41:25 |
| Status | E | ULS 3665109 | 2026-08-02 01:41:25 |
| Service | AC | ULS 3665109 | 2026-08-02 01:41:25 |
| Grant Date | 2015-01-23 | ULS 3665109 | 2026-08-02 01:41:25 |
| Expiration Date | 2025-01-23 | ULS 3665109 | 2026-08-02 01:41:25 |
| Cancellation Date | 2025-03-29 | ULS 3665109 | 2026-08-02 01:41:25 |