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

N1IZV callsign genealogy

Currently held by WELCH Mr., O D

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 N1IZV's current licensee, walking backwards.

  1. KA1TJQ
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held N1IZV.

No current licensee on record previously held this callsign.

← Back to N1IZV License history →