Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6MD callsign genealogy
Currently held by Dudas, Michael G
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 W6MD's current licensee, walking backwards.
- Dudas, Michael GCAgranted 2024-08-20cancelled 2025-03-04
Successor callsigns
Callsigns held now by people who previously held W6MD.
- BUSONO, STEPHANUS J DNJgranted 2020-12-22
All historical holders
Every license row we've seen with the callsign W6MD, oldest first.
- BUSONO, STEPHANUS J D NJ1997-08-21 → cancelled 2001-01-23
- DAVIS III, CHARLES E CA2012-12-07 → cancelled 2025-02-12
- Dudas, Michael G CA2025-03-04 active