Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KX4TB callsign genealogy
Currently held by Billingsby, Terry L
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 KX4TB's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KX4TB.
No current licensee on record previously held this callsign.