Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KW6DEF callsign genealogy
Currently held by Souza, Joby
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 KW6DEF's current licensee, walking backwards.
- Sovza, JobyCAgranted 2019-02-26cancelled 2019-03-22
Successor callsigns
Callsigns held now by people who previously held KW6DEF.
No current licensee on record previously held this callsign.