Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC7TZ callsign genealogy
Currently held by Yanish, Howard E
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 AC7TZ's current licensee, walking backwards.
- Yanish, Howard EWAgranted 1993-05-18cancelled 2002-06-03
Successor callsigns
Callsigns held now by people who previously held AC7TZ.
No current licensee on record previously held this callsign.