Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5SLA callsign genealogy
Currently held by OZONE AMATEUR RADIO CLUB
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 W5SLA's current licensee, walking backwards.
- KC5WBBno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held W5SLA.
No current licensee on record previously held this callsign.