Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NK1X callsign genealogy
Currently held by DUNBAR, MICHAEL 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 NK1X's current licensee, walking backwards.
- Hartmann, Kevin MMAgranted 2010-01-13cancelled 2010-05-08
Successor callsigns
Callsigns held now by people who previously held NK1X.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NK1X, oldest first.
- DUNBAR, MICHAEL W VT1997-11-24 → cancelled 2009-11-25
- Hartmann, Kevin M CT2020-02-11 active