Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC8OOJ callsign genealogy
Currently held by Chulik, John 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 KC8OOJ's current licensee, walking backwards.
- CHULIK, JOHN DOHgranted 1995-03-13cancelled 2000-05-25
Successor callsigns
Callsigns held now by people who previously held KC8OOJ.
- Chulik, John DFLgranted 2005-04-21cancelled 2009-02-12