Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4BJS callsign genealogy
Currently held by Schultheis, Brian 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 K4BJS's current licensee, walking backwards.
- Schultheis, Brian JFLgranted 2015-03-17cancelled 2015-04-07
Successor callsigns
Callsigns held now by people who previously held K4BJS.
No current licensee on record previously held this callsign.