Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI4DF
CancelledMatsumoto, Kiyoshi
- Location
- Oak Ridge, TN
- Class
- Amateur Extra
- Granted
- 2003-12-23
- Expires
- 2013-12-23
- FRN
- 0009946187
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Vanity availability
AvailableAvailable now
AI4DF cleared its 2-year hold on 2006-06-25. Eligible for vanity application.
Last held by Matsumoto, Kiyoshi (TN).
Confidence: High
Cancelled licenses begin the 2-year hold immediately, so this date is the firm release date per §97.19. Already past — fileable subject to FCC verification.
Callsign genealogy
Full chain →Prior holders later became
- Matsumoto, KiyoshiTNgranted 2014-05-03cancelled 2026-06-26
License history
0 eventsNo recorded events.