Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KM5ZD callsign genealogy
Currently held by BUTLER, RICHARD M
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 KM5ZD's current licensee, walking backwards.
- BUTLER, RICHARD MTXgranted 2011-06-24cancelled 2011-06-28
- N8NMWno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KM5ZD.
No current licensee on record previously held this callsign.