Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR6GJ callsign genealogy
Currently held by SIKORA, JOHN P
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 KR6GJ's current licensee, walking backwards.
- SIKORA, JOHN PCAgranted 2018-06-12cancelled 2023-06-28
Successor callsigns
Callsigns held now by people who previously held KR6GJ.
No current licensee on record previously held this callsign.