Confidence: Medium · Source: FCC ULS · As of 2026-09-10
KN4OAO
CancelledSmithsonian Institution Amateur Radio Group
- Location
- Purcellville, VA
- Granted
- 2018-07-23
- Expires
- 2028-07-23
- FRN
- 0027718626
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Vanity availability
AvailableAvailable now
KN4OAO cleared its 2-year hold on 2020-12-31. Eligible for vanity application.
Last held by Smithsonian Institution Amateur Radio Group (VA).
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
- NN3SIactiveSmithsonian Amateur Radio GroupDCgranted 2019-01-01
License history
0 eventsNo recorded events.