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Confidence: Medium · Source: FCC ULS · As of 2026-09-12

WC4AC callsign genealogy

Currently held by OLMSTED, LYLE 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 WC4AC's current licensee, walking backwards.

  1. KB7PIactive· A
    OLMSTED, LYLE DWAgranted 2018-09-19
  2. K7LDOcancelled· A
    OLMSTED, LYLE DWAgranted 2006-03-11cancelled 2008-12-12

Successor callsigns

Callsigns held now by people who previously held WC4AC.

  1. KB7PIcancelled· A
    OLMSTED, LYLE DWAgranted 2003-09-16cancelled 2006-03-11
← Back to WC4AC License history →