Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB4DWR callsign genealogy
Currently held by Cabral, Barbara
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 KB4DWR's current licensee, walking backwards.
- Cabral, BarbaraFLgranted 2017-06-28cancelled 2017-08-01
Successor callsigns
Callsigns held now by people who previously held KB4DWR.
No current licensee on record previously held this callsign.