Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF4MJN callsign genealogy
Currently held by HILL, JOHN W
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 KF4MJN'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 KF4MJN.
- HILL, JOHN WFLgranted 2016-11-15cancelled 2017-11-21