Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K3KOA callsign genealogy
Currently held by PFEIL, BARRY O
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 K3KOA's current licensee, walking backwards.
- Kelly II, James BGAgranted 2015-01-13cancelled 2016-03-01
Successor callsigns
Callsigns held now by people who previously held K3KOA.
- PFEIL, BARRY ONCgranted 2026-04-21
All historical holders
Every license row we've seen with the callsign K3KOA, oldest first.
- PFEIL, BARRY O CA2000-02-01 → cancelled 2006-06-30
- Kelly II, James B GA2016-03-01 active