Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC1WJO callsign genealogy
Currently held by Barrett Pereira, Thiago
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 KC1WJO's current licensee, walking backwards.
- Barrett Pereira, ThiagoMEgranted 2024-08-15cancelled 2025-03-04
Successor callsigns
Callsigns held now by people who previously held KC1WJO.
No current licensee on record previously held this callsign.