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

KD9NVM callsign genealogy

Currently held by Helding, Gregory T

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 KD9NVM's current licensee, walking backwards.

  1. K9GOPcancelled· G
    Helding, Gregory TWIgranted 2012-08-08cancelled 2019-09-17
  2. KB9RMAcancelled· T
    HELDING, GREGORY TWIgranted 1997-10-06cancelled 2002-08-16

Successor callsigns

Callsigns held now by people who previously held KD9NVM.

  1. W9GTHactive· E
    Helding, Gregory TWIgranted 2023-05-31
← Back to KD9NVM License history →