Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KN6OSZ callsign genealogy
Currently held by March Field Air Museum Radio Club
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 KN6OSZ'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 KN6OSZ.
- AF6MFactiveMarch Field Air Museum Radio ClubCAgranted 2021-06-07