Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6KPO 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 W6KPO's current licensee, walking backwards.
- KG6SGRcancelledSan Francisco Early Wireless SocietyCAgranted 2003-08-18cancelled 2003-09-09
Successor callsigns
Callsigns held now by people who previously held W6KPO.
- WK6KWactiveSan Francisco Early Wireless SocietyCAgranted 2016-03-08