Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4BTR callsign genealogy
Currently held by BIG TIME RADIO
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 W4BTR's current licensee, walking backwards.
- KI3RAcancelledKINGWOOD INDEPENDENT REPEATER ASSOCIATIONJgranted 1997-02-12cancelled 2004-09-14
- KC5YMRno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held W4BTR.
No current licensee on record previously held this callsign.