Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WC0Z callsign genealogy
Currently held by MATTINGLY, CLARK H
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 WC0Z's current licensee, walking backwards.
- MATTINGLY, CLARK HCOgranted 1993-05-25cancelled 2000-07-04
- KA0VJMno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held WC0Z.
- MC COLLOM, WILLIAM GTNgranted 2016-08-30