Confidence: Medium · Source: FCC ULS · As of 2026-09-10
K4JKH
ActiveHelbling, John Kearns
- Location
- Hendersonville, NC
- Class
- Amateur Extra
- Granted
- 2017-03-28
- Expires
- 2027-03-28
- Previous call
- KM4ZMV
- FRN
- 0026083139
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Vanity availability
HeldCurrently held
K4JKH is held by an active license; it isn't a vanity slot right now.
Vanity availability dates are computed from FCC §97.19's hold periods: 2 years from the cancellation date for cancelled or terminated licenses, 4 years from the expiration date for expired licenses (2-year renewal grace + 2-year hold).
Callsign genealogy
Full chain →Previously held by current licensee
- Helbling, John KNCgranted 2016-12-09cancelled 2017-03-28
License history
0 eventsNo recorded events.