Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4DBW callsign genealogy
Currently held by PLATT JR, ROBERT T
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 K4DBW's current licensee, walking backwards.
- Blanco, BernardFLgranted 2018-12-20cancelled 2019-02-20
Successor callsigns
Callsigns held now by people who previously held K4DBW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4DBW, oldest first.
- PLATT JR, ROBERT T VA2004-10-23 → cancelled 2016-10-28
- Blanco, Bernard FL2019-02-20 active