Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KG4SIM callsign genealogy
Currently held by Tester, Edward G
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 KG4SIM'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 KG4SIM.
- TESTER, EDWARD GTNgranted 2014-06-11cancelled 2026-07-17