Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6ACS callsign genealogy
Currently held by SONOMA COUNTY AUX COMM SERV
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 K6ACS's current licensee, walking backwards.
- KG6MBMcancelledSonoma County Aux Comm ServCAgranted 2002-06-26cancelled 2002-07-30
Successor callsigns
Callsigns held now by people who previously held K6ACS.
No current licensee on record previously held this callsign.