Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K2YZO callsign genealogy
Currently held by Kopp, Harold P
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 K2YZO'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 K2YZO.
- Kopp, Harold PAZgranted 2008-11-14cancelled 2020-11-17