Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N2SJK callsign genealogy
Currently held by SCIARROTTA, MICHAEL N
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 N2SJK's current licensee, walking backwards.
- Koller, SteveNYgranted 2010-02-11cancelled 2010-03-19
Successor callsigns
Callsigns held now by people who previously held N2SJK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N2SJK, oldest first.
- SCIARROTTA, MICHAEL N NJ1992-09-01 → cancelled 2004-09-02
- Koller, Steve PA2020-02-07 active