Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC4XO callsign genealogy
Currently held by NEWSOME, BEN C
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 KC4XO's current licensee, walking backwards.
- LAWRENCE, KAILEYKYgranted 2021-12-13cancelled 2022-02-18
Successor callsigns
Callsigns held now by people who previously held KC4XO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC4XO, oldest first.
- NEWSOME, BEN C NC2006-03-17 → cancelled 2018-04-03
- LAWRENCE, KAILEY KY2022-02-18 active