Confidence: Medium · Source: FCC ULS · As of 2026-09-14
NN9S callsign genealogy
Currently held by STOUTENBOROUGH, DOUGLAS 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 NN9S's current licensee, walking backwards.
- COLLINS-SUSSMAN, BENILgranted 2010-06-02cancelled 2010-12-21
Successor callsigns
Callsigns held now by people who previously held NN9S.
- STOUTENBOROUGH, DOUGLAS HILgranted 2018-06-09
All historical holders
Every license row we've seen with the callsign NN9S, oldest first.
- STOUTENBOROUGH, DOUGLAS H IL2002-01-26 → cancelled 2008-09-06
- COLLINS-SUSSMAN, BEN IL2020-10-09 active