Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KO6MZ callsign genealogy
Currently held by SHEPHERD, JOHN R
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 KO6MZ's current licensee, walking backwards.
- WB6VYXno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KO6MZ.
- Shepherd, John RCAgranted 2025-01-14