Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KY4JAX callsign genealogy
Currently held by HARRIS JR, JACK
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 KY4JAX's current licensee, walking backwards.
- HARRIS JR, JACKFLgranted 1995-11-30cancelled 2005-07-26
Successor callsigns
Callsigns held now by people who previously held KY4JAX.
- HARRIS JR, JACKFLgranted 2005-07-26cancelled 2012-06-05