Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KT1TK callsign genealogy
Currently held by Kashuba PhD, Prof. Thomas A
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 KT1TK's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KT1TK.
No current licensee on record previously held this callsign.