Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KX4CTO callsign genealogy
Currently held by Anderson, Stephen 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 KX4CTO's current licensee, walking backwards.
- Anderson, Stephen DILgranted 2006-06-07cancelled 2007-12-18
Successor callsigns
Callsigns held now by people who previously held KX4CTO.
- Anderson Mr, Stephen DILgranted 2022-02-23