Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KN4ZFJ callsign genealogy
Currently held by Dodge IV, William B
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 KN4ZFJ'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 KN4ZFJ.
- Dodge IV, William BVAgranted 2019-11-13