Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC1EXE callsign genealogy
Currently held by Sanderson, Ryan Q
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 KC1EXE's current licensee, walking backwards.
- Sanderson, Ryan QVTgranted 2022-02-28cancelled 2022-03-18
Successor callsigns
Callsigns held now by people who previously held KC1EXE.
- MESSIER, ROBERT BVTgranted 2018-12-28cancelled 2022-12-24
All historical holders
Every license row we've seen with the callsign KC1EXE, oldest first.
- MESSIER, ROBERT B VT2016-09-10 → cancelled 2018-12-28
- Sanderson, Ryan Q VT2022-03-18 active