Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7MGA callsign genealogy
Currently held by RIEMENSCHNEIDER, FLOYD 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 K7MGA's current licensee, walking backwards.
- ALTERMATT, MICHAEL GNCgranted 2010-03-22cancelled 2014-11-15
Successor callsigns
Callsigns held now by people who previously held K7MGA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7MGA, oldest first.
- RIEMENSCHNEIDER, FLOYD D WA1998-07-14 → cancelled 2010-07-15
- ALTERMATT, MICHAEL G NC2024-08-27 active