Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KN4YFZ callsign genealogy
Currently held by Van Soest, Derek 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 KN4YFZ'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 KN4YFZ.
- Van Soest, Derek JGAgranted 2019-10-22