Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6MDW callsign genealogy
Currently held by Williams, Marsha 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 W6MDW's current licensee, walking backwards.
- Williams, Marsha DCAgranted 2003-10-14cancelled 2003-11-04
Successor callsigns
Callsigns held now by people who previously held W6MDW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6MDW, oldest first.
- ERICKSON SR, PAUL W CA1988-11-08 → cancelled 1998-02-24
- Williams, Marsha D CA2024-05-15 active