Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3BFO callsign genealogy
Currently held by Klock, Bryan
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 W3BFO's current licensee, walking backwards.
- Klock, BryanPAgranted 2022-03-10cancelled 2022-09-16
Successor callsigns
Callsigns held now by people who previously held W3BFO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W3BFO, oldest first.
- EBNER, HARRY F GA2004-03-10 → cancelled 2016-06-01
- Klock, Bryan PA2022-09-16 active