Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6ADX callsign genealogy
Currently held by BRUBAKER, DAVID I
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 K6ADX's current licensee, walking backwards.
- BRUBAKER, DAVID ICAgranted 2005-09-13cancelled 2010-04-02
Successor callsigns
Callsigns held now by people who previously held K6ADX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6ADX, oldest first.
- SHAFFER, JOE J CA1995-02-10 → cancelled 2007-02-13
- BRUBAKER, DAVID I CA2020-01-13 active