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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

W4SGN callsign genealogy

Currently held by JOHNSON, DONALD R

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 W4SGN's current licensee, walking backwards.

  1. KQ4DAHcancelled· G
    Nagy, StephenVAgranted 2022-09-07cancelled 2022-09-27

Successor callsigns

Callsigns held now by people who previously held W4SGN.

  1. W4TJAactive· A
    ARLEDGE, THOMAS JALgranted 2016-12-20

All historical holders

Every license row we've seen with the callsign W4SGN, oldest first.

  • JOHNSON, DONALD R AL
    2005-05-20 → cancelled 2014-08-28
  • ARLEDGE, THOMAS J AL
    2016-10-29 → cancelled 2016-12-20
  • NAGY, STEPHEN VA
    2022-09-27 active
← Back to W4SGN License history →