Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KG6SGR callsign genealogy
Currently held by San Francisco Early Wireless 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 KG6SGR's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KG6SGR.
- W6KPOcancelledSan Francisco Early Wireless SocietyCAgranted 2015-06-27cancelled 2016-03-08