Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6PA callsign genealogy
Currently held by JOHNSTON, JOHN C
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 K6PA's current licensee, walking backwards.
- YOUNGMAN, TROY DCAgranted 2014-08-07cancelled 2018-05-30
- KE6MRPno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held K6PA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6PA, oldest first.
- JOHNSTON, JOHN C CA1994-10-25 → cancelled 2003-08-09
- BARTOO, JAMES R CA2006-05-09 → cancelled 2018-05-10
- YOUNGMAN, TROY D CA2018-05-30 active