Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB1CAZ callsign genealogy
Currently held by VILLANUEVA, MARIA M
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 KB1CAZ's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KB1CAZ.
- VILLANUEVA, MARIA MCTgranted 1997-11-24cancelled 2008-12-23