Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KI4JGW callsign genealogy
Currently held by SHEARER, JOHN M
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 KI4JGW'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 KI4JGW.
- SHEARER, JOHN MNCgranted 2018-07-13cancelled 2018-11-17