Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6MBZ callsign genealogy
Currently held by CAUGHEY, MARK N
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 W6MBZ's current licensee, walking backwards.
- KO6KKno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held W6MBZ.
- CAUGHEY, MARKWAgranted 2019-11-26cancelled 2022-02-11