Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9MMT callsign genealogy
Currently held by THOMAS, MICHAEL M
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 W9MMT's current licensee, walking backwards.
- THOMAS, MICHAEL MINgranted 2011-11-30cancelled 2012-03-06
Successor callsigns
Callsigns held now by people who previously held W9MMT.
No current licensee on record previously held this callsign.