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

NN4NN callsign genealogy

Currently held by MURPHY, TERRENCE J

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 NN4NN's current licensee, walking backwards.

  1. NY3DXcancelled
    MT HOLLY DX ASSOCIATIONPAgranted 2018-11-21cancelled 2020-12-29
  2. KB3SFPcancelled
    MT HOLLY DX ASSOCIATIONPAgranted 2009-01-27cancelled 2009-02-18

Successor callsigns

Callsigns held now by people who previously held NN4NN.

  1. AE7EBactive
    MT HOLLY DX ASSOCIATIONFLgranted 2025-12-30
  2. NL4DXcancelled· E
    MURPHY, TERRENCE JAKgranted 2017-08-22cancelled 2017-09-12

All historical holders

Every license row we've seen with the callsign NN4NN, oldest first.

  • MURPHY, TERRENCE J AK
    2017-07-06 → cancelled 2017-08-22
  • MT HOLLY DX ASSOCIATION FL
    2020-12-29 → cancelled 2025-12-30