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

WO4EC callsign genealogy

Currently held by WILLIAMS, ESTLE A

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 WO4EC's current licensee, walking backwards.

  1. KK4KCcancelled· E
    Cossette, Kalem KCAgranted 2015-07-28cancelled 2022-12-28
  2. KI4FSTcancelled· E
    Cossette, Kalem KNCgranted 2014-03-13cancelled 2015-07-28

Successor callsigns

Callsigns held now by people who previously held WO4EC.

  1. W4CMCexpired· E
    WILLIAMS, ESTLE AALgranted 1999-10-26cancelled 2011-10-27
← Back to WO4EC License history →