Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC0ATC callsign genealogy
Currently held by Howard, Christopher B
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 KC0ATC's current licensee, walking backwards.
- N0CZKno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KC0ATC.
- Howard, Christopher BMSgranted 2025-06-03