Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4NJK callsign genealogy
Currently held by KUTCHERA, NEIL J
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 K4NJK's current licensee, walking backwards.
- Kanakos, Nico JNCgranted 2026-07-14cancelled 2026-08-01
Successor callsigns
Callsigns held now by people who previously held K4NJK.
- KUTCHERA, NEIL JFLgranted 2019-09-13
All historical holders
Every license row we've seen with the callsign K4NJK, oldest first.
- KUTCHERA, NEIL J FL2000-10-24 → cancelled 2009-11-03
- Kanakos, Nico J NC2026-08-01 active