Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9SJB callsign genealogy
Currently held by Bachhuber, Steven 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 K9SJB's current licensee, walking backwards.
- Bachhuber, Steven JWIgranted 2008-04-10cancelled 2008-05-23
Successor callsigns
Callsigns held now by people who previously held K9SJB.
No current licensee on record previously held this callsign.