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

W9GTH 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 W9GTH's current licensee, walking backwards.

  1. KD9NVMcancelled· G
    Helding, Gregory TWIgranted 2022-08-05cancelled 2023-05-31
  2. K9GOPcancelled· G
    Helding, Gregory TWIgranted 2012-08-08cancelled 2019-09-17
  3. KB9RMAcancelled· T
    HELDING, GREGORY TWIgranted 1997-10-06cancelled 2002-08-16

Successor callsigns

Callsigns held now by people who previously held W9GTH.

No current licensee on record previously held this callsign.

← Back to W9GTH License history →