Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9DEK callsign genealogy
Currently held by Kalmikoff, 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 W9DEK's current licensee, walking backwards.
- Wodek, Roger GILgranted 2016-04-05cancelled 2016-09-13
Successor callsigns
Callsigns held now by people who previously held W9DEK.
- Kalmikoff, David ENJgranted 2002-04-05cancelled 2006-02-22
All historical holders
Every license row we've seen with the callsign W9DEK, oldest first.
- Kalmikoff, David E IN2001-05-05 → cancelled 2002-04-05
- Wodek, Roger G FL2026-06-19 active