Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA3TOM callsign genealogy
Currently held by KNAUFF, ANDREAS
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 KA3TOM's current licensee, walking backwards.
- Bereknyei, Thomas IMDgranted 2018-09-28cancelled 2019-02-20
Successor callsigns
Callsigns held now by people who previously held KA3TOM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA3TOM, oldest first.
- KNAUFF, ANDREAS CA1998-07-27 → cancelled 2010-07-28
- Bereknyei, Thomas I MD2019-02-20 active