Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB3TRJ callsign genealogy
Currently held by CANCRO, JOHN P
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 KB3TRJ'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 KB3TRJ.
- CANCRO, JOHN PPAgranted 2009-11-23cancelled 2010-02-19