Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KI6PBJ callsign genealogy
Currently held by SAN JOAQUIN COUNTY EMS 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 KI6PBJ'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 KI6PBJ.
- K6EMSactiveSAN JOAQUIN COUNTY EMS AMATEUR RADIO CLUBCAgranted 2018-03-24