Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NS3O callsign genealogy
Currently held by MARTIN, TODD W
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 NS3O's current licensee, walking backwards.
- MARTIN, TODD WPAgranted 2020-03-04cancelled 2026-08-04
Successor callsigns
Callsigns held now by people who previously held NS3O.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NS3O, oldest first.
- KITAZAWA, GEORGE PA2001-05-30 → cancelled 2013-07-31
- Hughes, Jennifer M CA2014-05-17 → cancelled 2026-05-19
- MARTIN, TODD W PA2026-08-04 active