Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3BAK callsign genealogy
Currently held by Keefe, Brian A
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 K3BAK's current licensee, walking backwards.
- Keefe, Brian APAgranted 2009-02-19cancelled 2011-05-24
Successor callsigns
Callsigns held now by people who previously held K3BAK.
No current licensee on record previously held this callsign.