Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4BSD callsign genealogy
Currently held by CHERVENY, ROBERT J
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 W4BSD's current licensee, walking backwards.
- Whitby III, James FVAgranted 2014-10-24cancelled 2015-09-29
Successor callsigns
Callsigns held now by people who previously held W4BSD.
- CHERVENY, ROBERT JGAgranted 2020-07-07
All historical holders
Every license row we've seen with the callsign W4BSD, oldest first.
- KEPNER, PAUL E FL1996-09-24 → cancelled 2008-09-25
- CHERVENY, ROBERT J GA2009-05-30 → cancelled 2010-09-25
- Whitby III, James F VA2015-09-29 active