Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF4GBJ callsign genealogy
Currently held by SOUTH GEORGIA AMATEUR RADIO CLUB
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 KF4GBJ'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 KF4GBJ.
- W4NUNcancelledSOUTH GEORGIA AMATEUR RADIO CLUBGAgranted 2017-08-17cancelled 2019-10-01