Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC3YYZ callsign genealogy
Currently held by Jones, Mark 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 KC3YYZ's current licensee, walking backwards.
- Jones, Mark HPAgranted 2015-12-23cancelled 2016-07-06
Successor callsigns
Callsigns held now by people who previously held KC3YYZ.
No current licensee on record previously held this callsign.