Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AF6DB callsign genealogy
Currently held by Kohnke, James I
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 AF6DB's current licensee, walking backwards.
- Kohnke, James ICAgranted 2007-05-30cancelled 2007-07-10
Successor callsigns
Callsigns held now by people who previously held AF6DB.
- Kohnke, James ICAgranted 2017-06-13