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

KG9M callsign genealogy

Currently held by Denny, Mark H

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 KG9M's current licensee, walking backwards.

  1. W6PACcancelled· E
    CALVILLO, FRANKCAgranted 2022-10-29cancelled 2024-08-02
  2. KN6VPUcancelled· T
    CALVILLO, FrankCAgranted 2022-08-30cancelled 2022-10-29

Successor callsigns

Callsigns held now by people who previously held KG9M.

  1. W9GIexpired· E
    DURR, LAWYER IILgranted 2006-09-08cancelled 2018-11-27

All historical holders

Every license row we've seen with the callsign KG9M, oldest first.

  • DONNELLY, JAMES M IL
    2000-05-16 → cancelled 2012-05-17
  • Denny, Mark H NC
    2012-07-14 → cancelled 2024-07-16
  • CALVILLO, FRANK CA
    2024-08-02 active
← Back to KG9M License history →