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

N3OSK callsign genealogy

Currently held by SOTCHEFF, STEVEN M

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 N3OSK's current licensee, walking backwards.

  1. KB5YTD
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held N3OSK.

No current licensee on record previously held this callsign.

← Back to N3OSK License history →