Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N1DEF callsign genealogy
Currently held by Barich, Andrew 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 N1DEF's current licensee, walking backwards.
- Barich, Andrew JTXgranted 2024-01-09cancelled 2024-02-09
Successor callsigns
Callsigns held now by people who previously held N1DEF.
No current licensee on record previously held this callsign.