Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7SEM callsign genealogy
Currently held by Mossberg, Thomas 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 K7SEM's current licensee, walking backwards.
- Mossberg, Thomas WORgranted 2020-11-30cancelled 2021-07-27
Successor callsigns
Callsigns held now by people who previously held K7SEM.
No current licensee on record previously held this callsign.