Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6JFK callsign genealogy
Currently held by Kakacek, John F
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 K6JFK's current licensee, walking backwards.
- Kakacek, John FCAgranted 2017-01-28cancelled 2018-11-09
Successor callsigns
Callsigns held now by people who previously held K6JFK.
No current licensee on record previously held this callsign.