Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9BTF callsign genealogy
Currently held by FARMER, WILLIAM 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 K9BTF's current licensee, walking backwards.
- FARMER, WILLIAM TILgranted 2009-05-04cancelled 2009-07-21
Successor callsigns
Callsigns held now by people who previously held K9BTF.
No current licensee on record previously held this callsign.