Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC0RZL callsign genealogy
Currently held by Delaware County Amateur 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 KC0RZL'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 KC0RZL.
- W0IIactiveDelaware County Amateur Radio ClubIAgranted 2026-04-29