Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB6VZX callsign genealogy
Currently held by LEINBACH, DAN P
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 KB6VZX's current licensee, walking backwards.
- Leinbach, Michael WORgranted 2009-11-16cancelled 2010-02-26
Successor callsigns
Callsigns held now by people who previously held KB6VZX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB6VZX, oldest first.
- LEINBACH, DAN P CA1997-10-22 → cancelled 2009-10-23
- Leinbach, Michael W OR2020-02-08 active