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

W4IDW callsign genealogy

Currently held by BANKSTON, WILLIAM 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 W4IDW's current licensee, walking backwards.

  1. K8IDWcancelled· G
    BANKSTON, WILLIAM DOHgranted 2012-02-18cancelled 2016-05-06
  2. K8DUGactive· E
    MAUS, DOUGLAS MAZgranted 2017-03-03
  3. KC7DNVcancelled· E
    MAUS, DOUGLAS MAZgranted 2014-09-16cancelled 2017-03-03

Successor callsigns

Callsigns held now by people who previously held W4IDW.

  1. K8DUGcancelled· G
    BANKSTON, WILLIAM DOHgranted 2011-09-07cancelled 2012-02-18

All historical holders

Every license row we've seen with the callsign W4IDW, oldest first.

  • BANKSTON, WILLIAM D OH
    2009-01-10 → cancelled 2011-09-07
  • BANKSTON, WILLIAM D OH
    2026-04-09 active