Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4BTF callsign genealogy
Currently held by DRAPER, CHARLES T
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 W4BTF's current licensee, walking backwards.
- TURNBILL, JOHN ATNgranted 2016-02-26cancelled 2016-09-07
Successor callsigns
Callsigns held now by people who previously held W4BTF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4BTF, oldest first.
- DRAPER, CHARLES T VA1996-12-17 → cancelled 2008-12-18
- TURNBILL, JOHN A TN2026-06-17 active