Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KN9OBZ callsign genealogy
Currently held by BACHNER, EDWARD 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 KN9OBZ's current licensee, walking backwards.
- BACHNER, EDWARD FILgranted 2013-04-02cancelled 2020-12-29
Successor callsigns
Callsigns held now by people who previously held KN9OBZ.
No current licensee on record previously held this callsign.