Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KM6DOY callsign genealogy
Currently held by Horst, Robert W
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 KM6DOY'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 KM6DOY.
- Horst, Robert WWAgranted 2026-05-12