Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4ZST callsign genealogy
Currently held by Thorpe, Steven G
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 K4ZST's current licensee, walking backwards.
- Thorpe, Steven GVAgranted 2009-06-30cancelled 2009-09-11
Successor callsigns
Callsigns held now by people who previously held K4ZST.
No current licensee on record previously held this callsign.