Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N1JTZ callsign genealogy
Currently held by Tetreault Sr, John P
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 N1JTZ's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held N1JTZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1JTZ, oldest first.
- Tetreault Sr, John P CT2019-10-09 active
- MASA, HIPOLITO— → cancelled 1998-03-12