Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KI6GSI callsign genealogy
Currently held by John H Pitman Memorial Radio 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 KI6GSI'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 KI6GSI.
- W6HHDactiveJohn H Pitman Memorial Radio SocietyCAgranted 2016-09-27