Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N1JKW callsign genealogy
Currently held by Wawrzyniak, John K
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 N1JKW's current licensee, walking backwards.
- Wawrzyniak, John KVTgranted 2025-03-19cancelled 2025-04-08
Successor callsigns
Callsigns held now by people who previously held N1JKW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1JKW, oldest first.
- MARINO JR, MICHAEL A MA1991-07-02 → cancelled 2003-07-03
- Wawrzyniak, John K VT2025-04-08 active