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

N4JDT callsign genealogy

Currently held by THOMPSON, JOHN D

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 N4JDT's current licensee, walking backwards.

  1. KU3Kcancelled· E
    Thomas, Troy NWVgranted 2023-07-19cancelled 2026-06-19
  2. AC8OEcancelled· E
    Thomas, Troy NWVgranted 2013-04-19cancelled 2013-07-09
  3. KD8UPRcancelled· E
    Thomas, Troy NWVgranted 2013-04-19cancelled 2013-06-11

Successor callsigns

Callsigns held now by people who previously held N4JDT.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N4JDT, oldest first.

  • STEWART, BILLY GA
    1998-04-27 → cancelled 2010-04-28
  • THOMPSON, JOHN D VA
    2023-02-28 active