Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N9STX callsign genealogy
Currently held by KRAKOWSKI, DARREN A
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 N9STX's current licensee, walking backwards.
- Ucho, Christopher AILgranted 2006-11-15cancelled 2009-06-02
Successor callsigns
Callsigns held now by people who previously held N9STX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9STX, oldest first.
- KRAKOWSKI, DARREN A IN1993-03-16 → cancelled 2005-03-17
- Ucho, Christopher A IL2019-12-03 active