Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6SOB callsign genealogy
Currently held by Summer Of Bill Radio Society
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 W6SOB's current licensee, walking backwards.
- KK6VQZcancelledSummer Of Bill Radio SocietyCAgranted 2015-08-03cancelled 2015-08-22
Successor callsigns
Callsigns held now by people who previously held W6SOB.
No current licensee on record previously held this callsign.