Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ7TOM callsign genealogy
Currently held by DUFFANY, THOMAS
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 KZ7TOM's current licensee, walking backwards.
- DUFFANY, THOMASUTgranted 2016-03-04cancelled 2016-03-25
Successor callsigns
Callsigns held now by people who previously held KZ7TOM.
No current licensee on record previously held this callsign.