Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4DBN callsign genealogy
Currently held by HAMILTON, JOHN F
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 K4DBN's current licensee, walking backwards.
- HAMILTON, JOHN FGAgranted 2011-08-15cancelled 2011-09-03
Successor callsigns
Callsigns held now by people who previously held K4DBN.
- GIBSON, JAMES WORgranted 1994-12-22cancelled 2006-12-23