Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9BZM callsign genealogy
Currently held by SHORTZ, WILLIAM E
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 K9BZM's current licensee, walking backwards.
- SHORTZ, WILLIAM EINgranted 2008-12-22cancelled 2011-03-29
Successor callsigns
Callsigns held now by people who previously held K9BZM.
No current licensee on record previously held this callsign.