Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KY4TZ callsign genealogy
Currently held by Howell, Jack W
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 KY4TZ's current licensee, walking backwards.
- Howell, Jack WSCgranted 2016-05-23cancelled 2022-12-19
Successor callsigns
Callsigns held now by people who previously held KY4TZ.
No current licensee on record previously held this callsign.