Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB3AA callsign genealogy
Currently held by Wittreich, Gerhard R
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 AB3AA's current licensee, walking backwards.
- Burton, Brian LPAgranted 2007-03-12cancelled 2014-07-15
Successor callsigns
Callsigns held now by people who previously held AB3AA.
- Wittreich, Gerhard RDEgranted 2022-08-16
All historical holders
Every license row we've seen with the callsign AB3AA, oldest first.
- Wittreich, Gerhard R DE2002-09-26 → cancelled 2002-11-13
- Burton, Brian L PA2024-06-18 active