uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

N9OS callsign genealogy

Currently held by SWING, SCOTT T

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 N9OS's current licensee, walking backwards.

  1. KG9OScancelled· E
    SWING, SCOTT TILgranted 1998-10-13cancelled 2001-01-09
  2. N9TZYcancelled
    cancelled 1998-10-13

Successor callsigns

Callsigns held now by people who previously held N9OS.

No current licensee on record previously held this callsign.

← Back to N9OS License history →