Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7DSM callsign genealogy
Currently held by KINSLEY, FRED H
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 N7DSM's current licensee, walking backwards.
- Mattson, Del SMNgranted 2021-03-24cancelled 2021-04-20
Successor callsigns
Callsigns held now by people who previously held N7DSM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7DSM, oldest first.
- KINSLEY, FRED H OR2007-03-26 → cancelled 2019-05-29
- Mattson, Del S MN2021-04-20 active