Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ6U callsign genealogy
Currently held by GRAHAM, THOMAS D
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 KZ6U's current licensee, walking backwards.
- GRAHAM, THOMAS DCAgranted 1999-03-08cancelled 2000-02-22
Successor callsigns
Callsigns held now by people who previously held KZ6U.
No current licensee on record previously held this callsign.