Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N9XB callsign genealogy
Currently held by Koser, Vincent R
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 N9XB's current licensee, walking backwards.
- Koser, Vincent RINgranted 2002-03-13cancelled 2003-06-06
Successor callsigns
Callsigns held now by people who previously held N9XB.
No current licensee on record previously held this callsign.