Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KI4UGI callsign genealogy
Currently held by TuTein, Thomas 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 KI4UGI's current licensee, walking backwards.
- TuTein, Thomas RFLgranted 2007-01-09cancelled 2007-03-13
Successor callsigns
Callsigns held now by people who previously held KI4UGI.
No current licensee on record previously held this callsign.