Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC9BSB callsign genealogy
Currently held by Buechler, Bradley
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 KC9BSB's current licensee, walking backwards.
- Buechler, BradleyINgranted 2022-07-29cancelled 2022-08-16
Successor callsigns
Callsigns held now by people who previously held KC9BSB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC9BSB, oldest first.
- LANGHELD, GEORG C IN2002-05-01 → cancelled 2014-05-02
- Buechler, Bradley IN2022-08-16 active