Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC0JCC callsign genealogy
Currently held by DULUTH RADIO CLUB
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 KC0JCC's current licensee, walking backwards.
- Callahan Jr, Joseph CCOgranted 2008-05-15cancelled 2008-06-17
Successor callsigns
Callsigns held now by people who previously held KC0JCC.
- N0WWexpiredDULUTH RADIO CLUBMNgranted 2002-03-06cancelled 2014-03-07
All historical holders
Every license row we've seen with the callsign KC0JCC, oldest first.
- DULUTH RADIO CLUB MN2000-11-07 → cancelled 2002-03-06
- Callahan Jr, Joseph C CO2018-04-11 active