Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC0GSR callsign genealogy
Currently held by DEJONG, CALVIN D
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 KC0GSR'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 KC0GSR.
- Dejong, Calvin DSDgranted 1999-11-16cancelled 2000-10-31