Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7STO callsign genealogy
Currently held by CLOUSER, SUSAN M
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 N7STO's current licensee, walking backwards.
- STOHLQUIST, COREY QAZgranted 2015-12-12cancelled 2018-01-20
Successor callsigns
Callsigns held now by people who previously held N7STO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7STO, oldest first.
- CLOUSER, SUSAN M ID1991-07-09 → cancelled 2003-07-10
- STOHLQUIST, COREY Q WI2018-01-20 active