Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9BSL callsign genealogy
Currently held by STROM, J F
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 K9BSL's current licensee, walking backwards.
- Luhrsen, Bradley SILgranted 2011-07-22cancelled 2011-09-13
Successor callsigns
Callsigns held now by people who previously held K9BSL.
- STROM, J FFLgranted 2000-07-11cancelled 2003-08-18
All historical holders
Every license row we've seen with the callsign K9BSL, oldest first.
- STROM, J F FL1995-04-27 → cancelled 2000-07-11
- Luhrsen, Bradley S TX2021-10-15 active