Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6MDN callsign genealogy
Currently held by NICHOLS, MICHAEL D
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 W6MDN's current licensee, walking backwards.
- Nichols, Michael DOHgranted 2000-06-16cancelled 2000-10-28
Successor callsigns
Callsigns held now by people who previously held W6MDN.
- NICHOLS, MICHAEL DOHgranted 2002-12-06cancelled 2004-09-28