Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD7MKM callsign genealogy
Currently held by Railway Amateur Radio Club
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 KD7MKM'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 KD7MKM.
- W7SPSexpiredRailway Amateur Radio ClubORgranted 2013-04-23cancelled 2025-04-24