Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD9WDM callsign genealogy
Currently held by Michels, William 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 KD9WDM's current licensee, walking backwards.
- Michels, William DINgranted 2016-04-14cancelled 2016-05-17
Successor callsigns
Callsigns held now by people who previously held KD9WDM.
No current licensee on record previously held this callsign.