Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC0NYY callsign genealogy
Currently held by Troy, John D
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 KC0NYY's current licensee, walking backwards.
- Troy, John DNEgranted 1999-08-06cancelled 2002-08-22
Successor callsigns
Callsigns held now by people who previously held KC0NYY.
- Troy, John DNEgranted 2023-04-14