Confidence: Medium · Source: FCC ULS · As of 2026-09-09
K0WFI callsign genealogy
Currently held by ISLES Mr, WILLIAM F
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 K0WFI's current licensee, walking backwards.
- ISLES, WILLIAM FKSgranted 2009-07-14cancelled 2012-09-11
Successor callsigns
Callsigns held now by people who previously held K0WFI.
No current licensee on record previously held this callsign.