Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC2NJC callsign genealogy
Currently held by KIRSHNER, MARK
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 KC2NJC's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KC2NJC.
All historical holders
Every license row we've seen with the callsign KC2NJC, oldest first.
- KIRSHNER, MARK NY2004-09-22 → cancelled 2004-11-26
- KIRSHNER, MARK NY2021-12-18 → cancelled 2022-08-30