Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4JFS callsign genealogy
Currently held by SAYLOR JR, JOHNNY 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 K4JFS's current licensee, walking backwards.
- SAYLOR JR, JOHNNY FTNgranted 2006-02-14cancelled 2013-01-29
Successor callsigns
Callsigns held now by people who previously held K4JFS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4JFS, oldest first.
- BALLARD, HAROLD W FL1999-06-11 → cancelled 2011-06-14
- SAYLOR JR, JOHNNY F TN2013-01-29 → cancelled 2025-01-30