Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF4RRJ callsign genealogy
Currently held by BENCH SR, THOMAS S
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 KF4RRJ'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 KF4RRJ.
- W4FRCactiveFORT MC COY AMATEUR RADIO CLUBFLgranted 2018-03-19