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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

N3OZM callsign genealogy

Currently held by HELM, MARK J

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 N3OZM's current licensee, walking backwards.

  1. KA3WXE
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held N3OZM.

No current licensee on record previously held this callsign.

← Back to N3OZM License history →