Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1SLD callsign genealogy
Currently held by Ariotti, Claudio
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 W1SLD's current licensee, walking backwards.
- Ariotti, ClaudioSCgranted 2007-02-06cancelled 2007-06-01
Successor callsigns
Callsigns held now by people who previously held W1SLD.
No current licensee on record previously held this callsign.