Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7BTJ callsign genealogy
Currently held by Janssens, Brian T
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 K7BTJ's current licensee, walking backwards.
- JANSSENS, BRIAN TAZgranted 2004-12-28cancelled 2006-07-11
Successor callsigns
Callsigns held now by people who previously held K7BTJ.
- JANSSENS, BRIAN TMNgranted 2026-04-21