Confidence: Medium · Source: FCC ULS · As of 2026-09-14
NT0S callsign genealogy
Currently held by STORHAUG, RICHARD A
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 NT0S's current licensee, walking backwards.
- Bowker, Kevin LSDgranted 2021-02-18cancelled 2025-08-15
Successor callsigns
Callsigns held now by people who previously held NT0S.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NT0S, oldest first.
- STORHAUG, RICHARD A ND2013-06-11 → cancelled 2025-07-26
- Bowker, Kevin L SD2025-08-15 active