Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W6KOX callsign genealogy
Currently held by Duerson, Michael A
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 W6KOX's current licensee, walking backwards.
- Duerson, Michael ACAgranted 2002-02-14cancelled 2006-09-12
Successor callsigns
Callsigns held now by people who previously held W6KOX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6KOX, oldest first.
- MAYER, SYLVAN W CA1995-06-05 → cancelled 2003-10-16
- Duerson, Michael A CO2016-07-07 active