Confidence: Medium · Source: FCC ULS · As of 2026-09-15
KI4TZT callsign genealogy
Currently held by BISHOP, THOMAS H
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 KI4TZT's current licensee, walking backwards.
- BISHOP, THOMAS HSCgranted 2007-02-21cancelled 2007-03-05
Successor callsigns
Callsigns held now by people who previously held KI4TZT.
- BISHOP, THOMAS HSCgranted 2007-02-21cancelled 2019-02-22