Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF7ONV callsign genealogy
Currently held by CHRYSTAL, JOHN C
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by KF7ONV's current licensee, walking backwards.
- Chrystal, John CNVgranted 2008-09-23cancelled 2011-03-16
Successor callsigns
Callsigns held now by people who previously held KF7ONV.
No current licensee on record previously held this callsign.