Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB6DX callsign genealogy
Currently held by KNECHT, CALVIN 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 KB6DX's current licensee, walking backwards.
- BOWEN, JAMES ECAgranted 2015-05-15cancelled 2020-04-28
Successor callsigns
Callsigns held now by people who previously held KB6DX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB6DX, oldest first.
- KNECHT, CALVIN S CA2008-02-12 → cancelled 2020-04-09
- BOWEN, JAMES E CA2020-04-28 active