Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO4TZZ callsign genealogy
Currently held by Carter County TN ARES
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 KO4TZZ'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 KO4TZZ.
- KT4CCactiveCarter County TN ARESTNgranted 2021-11-02