Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO4ZCU callsign genealogy
Currently held by TEN MILE AMATEUR RADIO CLUB
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 KO4ZCU'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 KO4ZCU.
- KT4MACcancelledDECATUR AMATEUR RADIO CLUBTNgranted 2022-04-19cancelled 2023-01-31