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

K0GAH callsign genealogy

Currently held by HOIUM, GARY A

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 K0GAH's current licensee, walking backwards.

  1. KC9TNRcancelled· E
    Holbrook, Gregory AINgranted 2011-01-26cancelled 2017-01-04

Successor callsigns

Callsigns held now by people who previously held K0GAH.

  1. W0IPXcancelled· T
    HOIUM, GARY AMNgranted 2000-01-21cancelled 2000-07-22

All historical holders

Every license row we've seen with the callsign K0GAH, oldest first.

  • HOIUM, GARY A MN
    1998-11-06 → cancelled 2000-01-21
  • Holbrook, Gregory A IN
    2017-01-04 active
← Back to K0GAH License history →