Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6MDC callsign genealogy
Currently held by Miller, Warren Q
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 W6MDC's current licensee, walking backwards.
- Coons, MichaelCAgranted 2014-07-23cancelled 2018-02-03
Successor callsigns
Callsigns held now by people who previously held W6MDC.
- Miller, Warren QIDgranted 2006-01-10cancelled 2018-01-11
All historical holders
Every license row we've seen with the callsign W6MDC, oldest first.
- Miller, Warren Q ID2005-08-11 → cancelled 2006-01-10
- Coons, Michael D CA2018-02-03 active