Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KS9B callsign genealogy
Currently held by Jansen, Kevin W
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 KS9B's current licensee, walking backwards.
- Jansen, Kevin WCAgranted 2026-05-12cancelled 2026-07-03
Successor callsigns
Callsigns held now by people who previously held KS9B.
- CARLSTROM, LARRY JILgranted 2006-08-08cancelled 2014-11-19
All historical holders
Every license row we've seen with the callsign KS9B, oldest first.
- Rowell, Billy D CA2014-03-20 → cancelled 2026-06-06
- Jansen, Kevin W CA2026-07-03 active