Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC0AJ callsign genealogy
Currently held by STEVENSON, JOHN 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 KC0AJ's current licensee, walking backwards.
- N0CDVno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KC0AJ.
- STEVENSON, JOHN RMNgranted 2001-10-30cancelled 2013-11-05