Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5SAT callsign genealogy
Currently held by Robertson, Gary W
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 W5SAT's current licensee, walking backwards.
- SCHUMACHER, BRADLEY ENVgranted 2014-09-10cancelled 2016-10-29
Successor callsigns
Callsigns held now by people who previously held W5SAT.
- Robertson, Gary WTXgranted 2024-06-11
All historical holders
Every license row we've seen with the callsign W5SAT, oldest first.
- DEEN, GROVER C TX1997-08-21 → cancelled 2009-08-22
- Robertson, Gary W TX2010-07-24 → cancelled 2014-09-05
- SCHUMACHER, BRADLEY E UT2026-09-01 active