Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC0TX callsign genealogy
Currently held by MONSOUR, MICHAEL 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 AC0TX's current licensee, walking backwards.
- MONSOUR, MICHAEL DTXgranted 2006-02-21cancelled 2007-08-11
Successor callsigns
Callsigns held now by people who previously held AC0TX.
No current licensee on record previously held this callsign.