Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF4SJX callsign genealogy
Currently held by SHEALY JR, THOMAS R
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 KF4SJX's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KF4SJX.
- SHEALY JR, THOMAS RALgranted 2021-03-12