Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC1FIZ callsign genealogy
Currently held by DeVries Jr, Frederick J
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 KC1FIZ'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 KC1FIZ.
- DeVries Jr, Frederick JMAgranted 2016-03-21cancelled 2016-12-22