Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N9MTT callsign genealogy
Currently held by WOLF, MATTHEW J
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 N9MTT's current licensee, walking backwards.
- WOLF, MATTHEW JILgranted 2003-04-08cancelled 2005-08-02
Successor callsigns
Callsigns held now by people who previously held N9MTT.
- WOLF, MATTHEW JNCgranted 2020-07-24
All historical holders
Every license row we've seen with the callsign N9MTT, oldest first.
- GRAY JR, FREDERICK WI1991-10-01 → cancelled 2003-10-02
- WOLF, MATTHEW J NC2005-08-02 → cancelled 2010-10-08