Confidence: Medium · Source: FCC ULS · As of 2026-09-09
KF4IRM
CancelledKoponen, Mark A
- Location
- Grand Forks, ND
- Class
- Amateur Extra
- Granted
- 2006-02-02
- Expires
- 2016-04-16
- FRN
- 0007939713
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Vanity availability
AvailableAvailable now
KF4IRM cleared its 2-year hold on 2012-11-08. Eligible for vanity application.
Last held by Koponen, Mark A (ND).
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
- Koponen, Mark ANDgranted 2020-09-02
License history
0 eventsNo recorded events.