Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KN4IGN callsign genealogy
Currently held by TRULL JR, JOHN F
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 KN4IGN'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 KN4IGN.
- TRULL JR, JOHN FNCgranted 2018-09-18