Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ9BLZ callsign genealogy
Currently held by Zimmerman, Barry L
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 KJ9BLZ's current licensee, walking backwards.
- Zimmerman, Barry LFLgranted 2008-10-24cancelled 2008-11-15
Successor callsigns
Callsigns held now by people who previously held KJ9BLZ.
No current licensee on record previously held this callsign.