Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC9NFW callsign genealogy
Currently held by VANDERWERKER, RICHARD A
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 KC9NFW'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 KC9NFW.
- Vanderwerker, Richard AILgranted 2018-04-24