Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC6SO callsign genealogy
Currently held by Alameda County RACES
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 AC6SO's current licensee, walking backwards.
- KK6LWDcancelledAlameda County RACESCAgranted 2014-04-30cancelled 2014-12-02
Successor callsigns
Callsigns held now by people who previously held AC6SO.
- KARAVANTES, GEORGE ACAgranted 1996-11-04cancelled 2002-10-26