Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9JHB callsign genealogy
Currently held by Buller, James H
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 K9JHB's current licensee, walking backwards.
- Buller, James HMIgranted 2009-12-02cancelled 2010-08-03
Successor callsigns
Callsigns held now by people who previously held K9JHB.
No current licensee on record previously held this callsign.