Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9MAT callsign genealogy
Currently held by Tupy, Mark 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 W9MAT's current licensee, walking backwards.
- TUPY, MARK AILgranted 1996-04-03cancelled 2000-04-17
Successor callsigns
Callsigns held now by people who previously held W9MAT.
No current licensee on record previously held this callsign.