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

K0UO callsign genealogy

Currently held by WALZ, STEVEN E

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 K0UO's current licensee, walking backwards.

  1. NW5Nactive· E
    WOLBER, NOEL FGAgranted 2022-07-14
  2. KG4UVKcancelled· E
    WOLBER, NOEL FVAgranted 2002-08-26cancelled 2002-10-04

Successor callsigns

Callsigns held now by people who previously held K0UO.

No current licensee on record previously held this callsign.

← Back to K0UO License history →