Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7DBC callsign genealogy
Currently held by CALL PhD, DUANE 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 K7DBC's current licensee, walking backwards.
- CALL, DUANE BUTgranted 2007-11-19cancelled 2007-12-11
Successor callsigns
Callsigns held now by people who previously held K7DBC.
No current licensee on record previously held this callsign.