Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WW7TT callsign genealogy
Currently held by Sampson, Trent
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 WW7TT's current licensee, walking backwards.
- Sampson, TrentCAgranted 2021-03-15cancelled 2021-06-26
Successor callsigns
Callsigns held now by people who previously held WW7TT.
- Schaller, SandersSDgranted 2019-04-19cancelled 2026-06-02
All historical holders
Every license row we've seen with the callsign WW7TT, oldest first.
- Schaller, Gregory MT2019-03-30 → cancelled 2019-04-19
- Sampson, Trent CA2021-06-26 active