Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9DDK callsign genealogy
Currently held by Clark, Michael E
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 W9DDK's current licensee, walking backwards.
- Clark, Michael EINgranted 2002-09-27cancelled 2004-07-31
Successor callsigns
Callsigns held now by people who previously held W9DDK.
No current licensee on record previously held this callsign.