Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KM4OIX callsign genealogy
Currently held by McVey Jr, John L
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 KM4OIX'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 KM4OIX.
- McVey Jr, John LTNgranted 2026-04-08