Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7TZA callsign genealogy
Currently held by BABCOCK, KENNETH 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 W7TZA's current licensee, walking backwards.
- Richardson, Thad AWAgranted 2019-09-16cancelled 2019-10-12
Successor callsigns
Callsigns held now by people who previously held W7TZA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7TZA, oldest first.
- BABCOCK, KENNETH H ID1988-07-05 → cancelled 2000-07-06
- Richardson, Thad A WA2019-10-12 active