Universal Licensing System
57MK
KLEIN TOOLS INC
License details
| ULS identifier | 53152 |
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| Call sign | 57MK |
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| Radio service | AC |
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| Status | T |
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| Grant date | 1997-12-01 |
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| Expiration | 2007-12-01 |
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| Cancellation | 2004-12-22 |
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| Source archive | l_aircr.zip |
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| Dataset refreshed | 2026-08-31 09:19:57 |
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Licensee
| Name | KLEIN TOOLS INC |
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| Applicant type | C |
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| Location | CHICAGO, IL |
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| Address | 7200 MC CORMICK BLVD, CHICAGO, IL, 60659 |
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License history
| Date | File or call sign | Action |
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| 2004-12-22 | 57MK | LETNNG |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 53152 | 2026-08-02 01:38:08 | Source Primary |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | 57MK | ULS 53152 | 2026-08-31 09:19:57 |
| Status | T | ULS 53152 | 2026-08-31 09:19:57 |
| Service | AC | ULS 53152 | 2026-08-31 09:19:57 |
| Grant Date | 1997-12-01 | ULS 53152 | 2026-08-31 09:19:57 |
| Expiration Date | 2007-12-01 | ULS 53152 | 2026-08-31 09:19:57 |
| Cancellation Date | 2004-12-22 | ULS 53152 | 2026-08-31 09:19:57 |