uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-14

N9BSW callsign genealogy

Currently held by KRAUSE, WALTER C

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 N9BSW's current licensee, walking backwards.

  1. KD9BGEcancelled· G
    Wooden, Brian SINgranted 2014-05-12cancelled 2014-06-14

Successor callsigns

Callsigns held now by people who previously held N9BSW.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N9BSW, oldest first.

  • KRAUSE, WALTER C IL
    1996-01-29 → cancelled 2008-01-30
  • Wooden, Brian S IN
    2024-03-19 active