Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC0RPX callsign genealogy
Currently held by Klimczak, Joseph C
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 KC0RPX's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KC0RPX.
- Klimczak, Joseph CMOgranted 2004-02-18cancelled 2004-03-20