Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KI4ZET callsign genealogy
Currently held by TOMLIN, HARRY 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 KI4ZET's current licensee, walking backwards.
- Tomlin, Harry JSCgranted 2020-02-21cancelled 2020-11-10
Successor callsigns
Callsigns held now by people who previously held KI4ZET.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KI4ZET, oldest first.
- TOMLIN, HARRY J SC2007-09-04 → cancelled 2019-09-05
- Tomlin II, Harry J SC2020-11-10 active