Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N3XK callsign genealogy
Currently held by Kociolek, Ken W
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 N3XK's current licensee, walking backwards.
- KOCIOLEK, KENNETH WILgranted 2014-12-12cancelled 2016-12-13
Successor callsigns
Callsigns held now by people who previously held N3XK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N3XK, oldest first.
- Northeast Pennsylvania DX Club PA2004-11-23 → cancelled 2016-11-24
- Kociolek, Ken W IL2016-12-13 active