Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC7ZSU callsign genealogy
Currently held by COPPERSMITH, JAY DON
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 KC7ZSU'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 KC7ZSU.
- COPPERSMITH, JAY DONUTgranted 2007-11-08cancelled 2016-10-24