Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KJ4MFV callsign genealogy
Currently held by STALLSWORTH JR, RALPH A
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 KJ4MFV'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 KJ4MFV.
- STALLSWORTH JR, RALPH ANCgranted 2019-03-19