Confidence: Medium · Source: FCC ULS · As of 2026-09-09
K0JCN
ActiveNylen, Jon C
- Location
- Sioux City, IA
- Class
- Amateur Extra
- Granted
- 2024-12-31
- Expires
- 2035-03-27
- Previous call
- KD0RFH
- FRN
- 0021576509
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Vanity availability
HeldCurrently held
K0JCN 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
- Nylen, Jon CIAgranted 2012-03-12cancelled 2015-03-27
License history
0 eventsNo recorded events.