Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC9FNZ callsign genealogy
Currently held by Nieman, Marvin C
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 KC9FNZ'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 KC9FNZ.
- NIEMAN, MARVIN CWIgranted 2026-03-04