Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4DBR callsign genealogy
Currently held by Rosenfeld, Daniel 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 W4DBR's current licensee, walking backwards.
- Rosenfeld, Daniel BVAgranted 2001-12-20cancelled 2007-04-20
Successor callsigns
Callsigns held now by people who previously held W4DBR.
No current licensee on record previously held this callsign.