Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3DEK callsign genealogy
Currently held by Karlson, David 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 W3DEK's current licensee, walking backwards.
- Karlson, David EPAgranted 2009-11-24cancelled 2012-01-24
Successor callsigns
Callsigns held now by people who previously held W3DEK.
No current licensee on record previously held this callsign.