Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W6JRK callsign genealogy
Currently held by Kulju, Jack R
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 W6JRK's current licensee, walking backwards.
- Kulju, Jack RCAgranted 2008-01-08cancelled 2008-03-28
Successor callsigns
Callsigns held now by people who previously held W6JRK.
No current licensee on record previously held this callsign.