Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC7NFZ callsign genealogy
Currently held by Ritzenthaler, David M
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 KC7NFZ'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 KC7NFZ.
- Ritzenthaler, David MIDgranted 1999-02-11cancelled 2003-05-06