Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KK6SF callsign genealogy
Currently held by San Francisco Auxiliary Communications Service
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 KK6SF's current licensee, walking backwards.
- KJ6YRYcancelledSan Francisco Auxiliary Communications ServiceCAgranted 2012-07-10cancelled 2012-08-24
Successor callsigns
Callsigns held now by people who previously held KK6SF.
- Fullington, Don MCAgranted 2001-02-22cancelled 2002-06-20