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

W7WCW callsign genealogy

Currently held by WIRSTROM, WILLIAM C

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 W7WCW's current licensee, walking backwards.

  1. KK5CMactive· E
    MATHENY, CRAIG WLAgranted 2026-07-15
  2. KF6UOZcancelled· E
    MATHENY, CRAIG WLAgranted 2011-01-10cancelled 2016-09-20

Successor callsigns

Callsigns held now by people who previously held W7WCW.

No current licensee on record previously held this callsign.

← Back to W7WCW License history →