Confidence: Medium · Source: FCC ULS · As of 2026-09-14
NX9K callsign genealogy
Currently held by Batka, Kristine 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 NX9K's current licensee, walking backwards.
- Batka, Kristine JWIgranted 2007-05-07cancelled 2009-05-05
Successor callsigns
Callsigns held now by people who previously held NX9K.
- BRUMMEL, DUANE JWIgranted 1996-12-18cancelled 2008-12-19