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

NS3D callsign genealogy

Currently held by Nemetz Jr, John S

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 NS3D's current licensee, walking backwards.

  1. KB3TEYcancelled· E
    Nemetz Jr, John SPAgranted 2009-07-27cancelled 2009-12-15

Successor callsigns

Callsigns held now by people who previously held NS3D.

  1. WU5Ucancelled· E
    FIELDS, FRED RTXgranted 2001-03-10cancelled 2003-10-03

All historical holders

Every license row we've seen with the callsign NS3D, oldest first.

  • FIELDS, FRED R PA
    1998-07-27 → cancelled 2001-03-10
  • Nemetz Jr, John S PA
    2019-09-20 active
← Back to NS3D License history →