Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KI7TST callsign genealogy
Currently held by Kujath, Jeffrey J
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 KI7TST's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KI7TST.
- Kujath, Jeffrey JWAgranted 2019-03-12