Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4FJZ callsign genealogy
Currently held by FARMER, JOHN C
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 K4FJZ'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 K4FJZ.
- Farmer, John CALgranted 1996-06-19cancelled 2000-10-10