Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KV4OI callsign genealogy
Currently held by Hepworth, Amy C
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 KV4OI's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KV4OI.
No current licensee on record previously held this callsign.