Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3BSN callsign genealogy
Currently held by Zepp, Jonathan M
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 W3BSN's current licensee, walking backwards.
- Zepp, Jonathan MMDgranted 2019-03-18cancelled 2019-04-05
Successor callsigns
Callsigns held now by people who previously held W3BSN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W3BSN, oldest first.
- DITLOW, RALPH A PA1997-01-13 → cancelled 2009-01-14
- Zepp, Jonathan M MD2019-04-05 active