Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3OBX callsign genealogy
Currently held by Duman, Michael E
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 K3OBX's current licensee, walking backwards.
- DUMAN, MICHAEL ENCgranted 2004-12-23cancelled 2007-01-04
Successor callsigns
Callsigns held now by people who previously held K3OBX.
No current licensee on record previously held this callsign.