Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4STX callsign genealogy
Currently held by JONES, JOHN S
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 K4STX's current licensee, walking backwards.
- Jones, John SGAgranted 2001-05-16cancelled 2004-11-10
Successor callsigns
Callsigns held now by people who previously held K4STX.
No current licensee on record previously held this callsign.