Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W5DEK 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 W5DEK's current licensee, walking backwards.
- Duhon, DanielleLAgranted 2026-01-01cancelled 2026-01-23
Successor callsigns
Callsigns held now by people who previously held W5DEK.
- Kalmikoff, David ETXgranted 2021-12-31
All historical holders
Every license row we've seen with the callsign W5DEK, oldest first.
- Knowlton, Donald E MS2006-06-30 → cancelled 2018-07-03
- Kalmikoff, David E TX2019-09-21 → cancelled 2021-12-31
- Duhon, Danielle LA2026-01-23 active