Universal Licensing System
424SG
Groff, Michael W
License details
| ULS identifier | 3549512 |
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| Call sign | 424SG |
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| Radio service | AC |
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| Status | E |
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| Grant date | 2014-01-04 |
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| Expiration | 2024-01-04 |
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| Cancellation | 2024-03-09 |
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| Source archive | l_aircr.zip |
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| Dataset refreshed | 2026-08-02 01:38:33 |
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Licensee
| Name | Groff, Michael W |
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| Applicant type | I |
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| FRN | 0012130118 |
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| Location | Weston, MA |
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License history
| Date | File or call sign | Action |
|---|
| 2024-03-09 | 424SG | LIEXP |
| 2023-10-09 | 424SG | LETRES |
| 2020-12-01 | 424SG | LIAUA |
| 2014-01-04 | 424SG | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3549512 | 2026-08-02 01:38:33 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | 424SG | ULS 3549512 | 2026-08-02 01:38:33 |
| Status | E | ULS 3549512 | 2026-08-02 01:38:33 |
| Service | AC | ULS 3549512 | 2026-08-02 01:38:33 |
| Grant Date | 2014-01-04 | ULS 3549512 | 2026-08-02 01:38:33 |
| Expiration Date | 2024-01-04 | ULS 3549512 | 2026-08-02 01:38:33 |
| Cancellation Date | 2024-03-09 | ULS 3549512 | 2026-08-02 01:38:33 |