Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KM4WFN callsign genealogy
Currently held by HELT III, JOHN T
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 KM4WFN'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 KM4WFN.
- HELT III, JOHN TTNgranted 2017-08-22