Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N9ZT callsign genealogy
Currently held by THOMASSEN, MATTHEW A
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 N9ZT's current licensee, walking backwards.
- THOMASSEN, MATTHEW AWIgranted 1996-04-16cancelled 2001-03-03
Successor callsigns
Callsigns held now by people who previously held N9ZT.
No current licensee on record previously held this callsign.