Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K7BTF callsign genealogy
Currently held by FRAUNFELDER, BRENT 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 K7BTF's current licensee, walking backwards.
- FRAUNFELDER, BRENT TWAgranted 2001-07-12cancelled 2009-09-26
Successor callsigns
Callsigns held now by people who previously held K7BTF.
No current licensee on record previously held this callsign.