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

NY4DX callsign genealogy

Currently held by LEPKOWSKI, RICHARD T

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 NY4DX's current licensee, walking backwards.

  1. N4KWHcancelled· E
    Yazon, Norman CCAgranted 2020-02-14cancelled 2021-08-06
  2. KM6AVLcancelled· G
    Yazon, Norman CCAgranted 2016-03-01cancelled 2020-02-14

Successor callsigns

Callsigns held now by people who previously held NY4DX.

  1. NY2TXcancelled· E
    LEPKOWSKI, RICHARD TTXgranted 2016-05-21cancelled 2021-06-22

All historical holders

Every license row we've seen with the callsign NY4DX, oldest first.

  • LEPKOWSKI, RICHARD T TX
    2015-12-14 → cancelled 2016-05-21
  • Yazon, Norman C CA
    2021-08-06 active