Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KV4FO callsign genealogy
Currently held by OLIVERA, ALEX
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 KV4FO's current licensee, walking backwards.
- OLIVERA, ALEXFLgranted 1999-07-16cancelled 2001-06-01
Successor callsigns
Callsigns held now by people who previously held KV4FO.
No current licensee on record previously held this callsign.