Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB9MZY callsign genealogy
Currently held by MC HENRY COUNTY WIRELESS ASSOCIATION
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 KB9MZY's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KB9MZY.
- K9RNactiveMC HENRY COUNTY WIRELESS ASSOCIATIONILgranted 2020-10-22