Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N7SFA callsign genealogy
Currently held by Nessen, Larry D
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 N7SFA's current licensee, walking backwards.
- NESSEN, LARRY DUTgranted 2022-12-10cancelled 2022-12-30
Successor callsigns
Callsigns held now by people who previously held N7SFA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7SFA, oldest first.
- SHOWN, SHIRLEY A OR1991-06-25 → cancelled 2003-06-26
- Nessen, Larry D UT2022-12-30 active