Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KI7TOM callsign genealogy
Currently held by Guenther, Thomas 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 KI7TOM's current licensee, walking backwards.
- Guenther, Thomas HORgranted 2017-10-24cancelled 2017-11-14
Successor callsigns
Callsigns held now by people who previously held KI7TOM.
No current licensee on record previously held this callsign.