Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KN6NK callsign genealogy
Currently held by MC COY, WILLIAM H
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 KN6NK's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KN6NK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KN6NK, oldest first.
- MC COY, WILLIAM H CA1993-06-08 → cancelled 2005-06-09
- KARTSIOUKAS, NICHOLAS G CA2017-06-23 active