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

NA3DX callsign genealogy

Currently held by EXPLORERS RADIO CLUB

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 NA3DX's current licensee, walking backwards.

  1. AA3BNcancelled
    Long Tail Radio ClubPAgranted 2021-11-19cancelled 2022-02-08
  2. NT3Sactive· E
    Smith, NickORgranted 2023-12-09
  3. KJ7NWKcancelled· E
    Smith, NickORgranted 2020-05-11cancelled 2023-12-09

Successor callsigns

Callsigns held now by people who previously held NA3DX.

  1. AA3ADactive
    Long Tail Radio ClubPAgranted 2026-07-17

All historical holders

Every license row we've seen with the callsign NA3DX, oldest first.

  • EXPLORERS RADIO CLUB MD
    2009-05-05 → cancelled 2021-05-06
  • Long Tail Radio Club PA
    2022-02-08 → cancelled 2026-07-17
← Back to NA3DX License history →