Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0KPX callsign genealogy
Currently held by Barton, Sean R
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 W0KPX's current licensee, walking backwards.
- Barton, Sean RMOgranted 2014-07-12cancelled 2018-03-16
Successor callsigns
Callsigns held now by people who previously held W0KPX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0KPX, oldest first.
- PIERCE, WAYNE R MN1997-01-07 → cancelled 2009-01-08
- Barton, Sean R MO2018-03-16 active