Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NS0S callsign genealogy
Currently held by DOUGHERTY, RICHARD J
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 NS0S's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held NS0S.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NS0S, oldest first.
- BRIESE, MICHAEL J MO2004-11-30 → cancelled 2017-03-01
- DOUGHERTY, RICHARD J MO2017-03-20 active