Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KN4JAY callsign genealogy
Currently held by KROMM, MATTHIAS
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 KN4JAY'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 KN4JAY.
- KROMM, MATTHIASSCgranted 2018-01-22cancelled 2018-04-10