Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KM4OFW callsign genealogy
Currently held by Montgomery II, Charles 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 KM4OFW'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 KM4OFW.
- MONTGOMERY II, CHARLES AGAgranted 2026-02-05