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

W4BAT callsign genealogy

Currently held by MASTERSON, RICHARD L

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 W4BAT's current licensee, walking backwards.

  1. W3BATactive· E
    RUBY, MARK APAgranted 2025-09-10
  2. N3KRFcancelled· E
    RUBY, MARK APAgranted 2011-09-20cancelled 2015-10-24

Successor callsigns

Callsigns held now by people who previously held W4BAT.

  1. AA4ZTactive· E
    WEST, ROBERT LALgranted 2025-07-16

All historical holders

Every license row we've seen with the callsign W4BAT, oldest first.

  • WEST, ROBERT L AL
    1998-03-24 → cancelled 2005-06-07
  • MASTERSON, RICHARD L KY
    2017-11-28 active
← Back to W4BAT License history →