Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4DBZ callsign genealogy
Currently held by Arthur, David R
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 K4DBZ's current licensee, walking backwards.
- Arthur, David RNCgranted 2015-09-24cancelled 2017-12-15
Successor callsigns
Callsigns held now by people who previously held K4DBZ.
No current licensee on record previously held this callsign.