Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WT0TW callsign genealogy
Currently held by Thaler, Wolfgang
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 WT0TW's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held WT0TW.
No current licensee on record previously held this callsign.