Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB9CJZ callsign genealogy
Currently held by Robinson, Matthew W
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 KB9CJZ's current licensee, walking backwards.
- Robinson, Matthew WINgranted 2024-10-24cancelled 2024-11-13
Successor callsigns
Callsigns held now by people who previously held KB9CJZ.
No current licensee on record previously held this callsign.