Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7SAT callsign genealogy
Currently held by Mueller, Brett 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 W7SAT's current licensee, walking backwards.
- Mueller Mr, Brett JWAgranted 2008-05-20cancelled 2009-06-26
Successor callsigns
Callsigns held now by people who previously held W7SAT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7SAT, oldest first.
- SATELITE AMATEUR TECHNIQUE SOCIETY CA1997-06-06 → cancelled 2009-06-09
- Mueller, Brett J CA2019-04-23 active