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

WM4N callsign genealogy

Currently held by SHAFFER, ARTHUR G

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 WM4N's current licensee, walking backwards.

  1. AI4DIcancelled· E
    Shaffer, Arthur GKYgranted 2003-12-16cancelled 2004-01-30
  2. KI4DKOcancelled· E
    Shaffer, Arthur GKYgranted 2003-12-16cancelled 2004-01-07

Successor callsigns

Callsigns held now by people who previously held WM4N.

  1. K4BBBexpired· E
    SHIPE, WILLIAM DTNgranted 2002-01-09cancelled 2014-01-10

All historical holders

Every license row we've seen with the callsign WM4N, oldest first.

  • SHIPE, WILLIAM D TN
    1997-11-19 → cancelled 2002-01-09
  • SHAFFER, ARTHUR G KY
    2023-11-04 active
← Back to WM4N License history →