Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA4OTI 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 KA4OTI's current licensee, walking backwards.
- CHAVIANO, OTILIO JFLgranted 2003-05-10cancelled 2012-09-11
Successor callsigns
Callsigns held now by people who previously held KA4OTI.
- CHAVIANO, OTILIO JFLgranted 2019-02-20