Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC0ZSZ callsign genealogy
Currently held by Courtwright, Glenn T
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 KC0ZSZ's current licensee, walking backwards.
- Courtwright, Glenn TKSgranted 2004-11-02cancelled 2007-03-01
Successor callsigns
Callsigns held now by people who previously held KC0ZSZ.
- Courtwright, Glenn TKSgranted 2017-01-10