Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KA4KZZ callsign genealogy
Currently held by CHAVIANO, OTILIO J
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 KA4KZZ'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 KA4KZZ.
- CHAVIANO, OTILIO JFLgranted 2012-09-11cancelled 2019-02-20