Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W5BTR callsign genealogy
Currently held by HOLMES, ARTHUR 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 W5BTR's current licensee, walking backwards.
- KF5ILUcancelledBuffalo Trace Ranch Radio ClubOKgranted 2010-09-16cancelled 2010-10-08
Successor callsigns
Callsigns held now by people who previously held W5BTR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5BTR, oldest first.
- HOLMES, ARTHUR C TX1998-03-10 → cancelled 2010-03-11
- Buffalo Trace Ranch Radio Club OK2020-09-28 active