Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K7BRJ callsign genealogy
Currently held by Johnston, Brian R
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 K7BRJ's current licensee, walking backwards.
- Johnston, Brian RORgranted 2025-12-23cancelled 2026-06-05
Successor callsigns
Callsigns held now by people who previously held K7BRJ.
- Onassis, Christopher MTXgranted 2020-07-07cancelled 2024-11-08
All historical holders
Every license row we've seen with the callsign K7BRJ, oldest first.
- Onassis, Christopher M TX2010-09-17 → cancelled 2020-07-07
- Johnston, Brian R OR2026-06-05 active