Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7MWT callsign genealogy
Currently held by Thompsen, Mason 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 K7MWT's current licensee, walking backwards.
- Thompsen, Mason WWAgranted 2015-06-23cancelled 2015-07-14
Successor callsigns
Callsigns held now by people who previously held K7MWT.
No current licensee on record previously held this callsign.