Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N1AYJ callsign genealogy
Currently held by KROFSSIK SR, JONATHAN W
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 N1AYJ'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 N1AYJ.
- KROFSSIK SR, JONATHAN WCTgranted 2018-05-02