Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N3FIN callsign genealogy
Currently held by Mason, Thomas S
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 N3FIN's current licensee, walking backwards.
- Mason, Thomas SVAgranted 2016-11-02cancelled 2016-11-26
Successor callsigns
Callsigns held now by people who previously held N3FIN.
No current licensee on record previously held this callsign.