Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W6ATG callsign genealogy
Currently held by DEBRUNNER, MARVIN M
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 W6ATG's current licensee, walking backwards.
- Anderson, MichaelCAgranted 2021-07-12cancelled 2021-07-30
Successor callsigns
Callsigns held now by people who previously held W6ATG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6ATG, oldest first.
- DEBRUNNER, MARVIN M CA2006-01-18 → cancelled 2018-04-17
- Anderson, Michael G CA2021-07-30 active