Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9DEW callsign genealogy
Currently held by Thrash V, Dewey M
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 K9DEW's current licensee, walking backwards.
- Thrash V, Dewey MINgranted 2013-01-16cancelled 2015-09-15
Successor callsigns
Callsigns held now by people who previously held K9DEW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9DEW, oldest first.
- WILKIE, DONALD E IL2001-03-06 → cancelled 2013-03-07
- Thrash V, Dewey M IN2025-08-06 active