Confidence: Medium · Source: FCC ULS · As of 2026-09-15
KZ5OX callsign genealogy
Currently held by Klouzek, Christopher D
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 KZ5OX's current licensee, walking backwards.
- Klouzek, Christopher DKSgranted 2018-05-30cancelled 2018-11-02
Successor callsigns
Callsigns held now by people who previously held KZ5OX.
No current licensee on record previously held this callsign.