Confidence: Medium · Source: FCC ULS · As of 2026-09-09
KO4CMK
CancelledMahoney, Robert C
- Location
- Great Falls, VA
- Class
- Amateur Extra
- Granted
- 2020-03-10
- Expires
- 2030-03-10
- FRN
- 0029291812
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Vanity availability
567dAvailable on 2028-03-30
KO4CMK cancelled on 2026-03-31. Hold ends in 567 days.
Last held by Mahoney, Robert C (VA).
Confidence: High
Cancelled licenses begin the 2-year hold immediately on the cancellation date, so this is the firm release date per §97.19.
Callsign genealogy
Full chain →Prior holders later became
- Mahoney, Robert CVAgranted 2026-03-31
License history
0 eventsNo recorded events.