Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0DBW callsign genealogy
Currently held by Winterstien, Derek B
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 W0DBW's current licensee, walking backwards.
- Winterstien, Derek BNEgranted 2015-06-03cancelled 2016-05-28
Successor callsigns
Callsigns held now by people who previously held W0DBW.
No current licensee on record previously held this callsign.