Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4JVF callsign genealogy
Currently held by FLETCHER, JACK K
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 K4JVF's current licensee, walking backwards.
- FLETCHER, JACK KKYgranted 2012-06-11cancelled 2015-12-12
Successor callsigns
Callsigns held now by people who previously held K4JVF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4JVF, oldest first.
- COLLIER, ARA J MI1988-08-23 → cancelled 2000-08-24
- FLETCHER, JACK K KY2025-11-29 active