Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KN4JVS callsign genealogy
Currently held by Gdowski, Mat 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 KN4JVS'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 KN4JVS.
- Gdowski, MatCOgranted 2018-03-06