Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC0QZH callsign genealogy
Currently held by HANDZO, MARK T
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 KC0QZH'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 KC0QZH.
- HANDZO, MARK TMOgranted 2006-03-18cancelled 2015-12-15