Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6GPA callsign genealogy
Currently held by Mark, David G
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 K6GPA's current licensee, walking backwards.
- Mark, David GCAgranted 2017-08-23cancelled 2018-03-16
Successor callsigns
Callsigns held now by people who previously held K6GPA.
- Foster, Loren DCAgranted 2016-02-17
All historical holders
Every license row we've seen with the callsign K6GPA, oldest first.
- Foster, Loren D CA2012-03-23 → cancelled 2016-02-17
- Mark, David G CA2018-03-16 active