Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KZ5TZ callsign genealogy
Currently held by FISCHER, THOMAS 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 KZ5TZ's current licensee, walking backwards.
- FISCHER, THOMAS JOKgranted 2015-01-06cancelled 2023-07-28
Successor callsigns
Callsigns held now by people who previously held KZ5TZ.
No current licensee on record previously held this callsign.