Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB3DZ callsign genealogy
Currently held by COBLE JR, GEORGE S
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 KB3DZ's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KB3DZ.
- COBLE JR, GEORGE SFLgranted 2021-12-08