Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6IO callsign genealogy
Currently held by Scarpelli, Leonard E
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 W6IO's current licensee, walking backwards.
- WALKER, DAR MCAgranted 2006-05-12cancelled 2009-09-09
- KF6DKMno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held W6IO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6IO, oldest first.
- Scarpelli, Leonard E CA2005-04-08 → cancelled 2006-08-29
- WALKER, DAR M CA2019-06-19 active