Universal Licensing System
4SK
SIERRA KILO CORP.
License details
| ULS identifier | 47518 |
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| Call sign | 4SK |
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| Radio service | AC |
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| Status | T |
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| Grant date | 1999-02-08 |
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| Expiration | 2009-02-06 |
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| Cancellation | 2009-02-26 |
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| Source archive | l_aircr.zip |
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| Dataset refreshed | 2026-08-09 10:24:16 |
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Licensee
| Name | SIERRA KILO CORP. |
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| Applicant type | C |
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| FRN | 0003526837 |
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| Location | GLEN HEAD, NY |
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| Address | 25 VALENTINES LANE, GLEN HEAD, NY, 115452525 |
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License history
| Date | File or call sign | Action |
|---|
| 2009-02-26 | 4SK | LETNNS |
| 2009-02-26 | 4SK | LITERM |
| 2008-11-10 | 4SK | LETRES |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 47518 | 2026-08-02 01:38:08 | Source Primary |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | 4SK | ULS 47518 | 2026-08-09 10:24:16 |
| Status | T | ULS 47518 | 2026-08-09 10:24:16 |
| Service | AC | ULS 47518 | 2026-08-09 10:24:16 |
| Grant Date | 1999-02-08 | ULS 47518 | 2026-08-09 10:24:16 |
| Expiration Date | 2009-02-06 | ULS 47518 | 2026-08-09 10:24:16 |
| Cancellation Date | 2009-02-26 | ULS 47518 | 2026-08-09 10:24:16 |