Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KM4MLL callsign genealogy
Currently held by BYRD JR, RICHARD O
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 KM4MLL'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 KM4MLL.
- BYRD JR, RICHARD OSCgranted 2026-03-19