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

N8JDM callsign genealogy

Currently held by BOWLING, MELVIN

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 N8JDM's current licensee, walking backwards.

  1. WJ0SHMcancelled· T
    Margolis, Joshua DGAgranted 2020-06-01cancelled 2023-06-27
  2. KO4DIXcancelled· T
    Margolis, Joshua DGAgranted 2020-05-11cancelled 2020-06-01

Successor callsigns

Callsigns held now by people who previously held N8JDM.

  1. N8EIactive· E
    McCormick, Jason DOHgranted 2019-06-08

All historical holders

Every license row we've seen with the callsign N8JDM, oldest first.

  • BOWLING, MELVIN OH
    1988-02-02 → cancelled 2000-02-03
  • McCormick, Jason D OH
    2016-08-06 → cancelled 2019-06-08
  • Margolis, Joshua D GA
    2023-06-27 active