Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB1TJJ 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 KB1TJJ's current licensee, walking backwards.
- Tetreault Sr, John PCTgranted 2009-07-28cancelled 2009-11-25
Successor callsigns
Callsigns held now by people who previously held KB1TJJ.
- Tetreault Sr, John PCTgranted 2019-10-09