Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7MSA callsign genealogy
Currently held by SISSON, MURL 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 K7MSA's current licensee, walking backwards.
- ANDERSON, MATTHEW SAZgranted 2013-06-19cancelled 2019-07-09
Successor callsigns
Callsigns held now by people who previously held K7MSA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7MSA, oldest first.
- SISSON, MURL J MT1995-06-27 → cancelled 2007-06-28
- ANDERSON, MATTHEW S AZ2019-07-09 active