Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KN4VLU callsign genealogy
Currently held by Jonink, Martin
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 KN4VLU'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 KN4VLU.
- Jonink, MartinSCgranted 2019-06-28cancelled 2020-01-24