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

KB3HM callsign genealogy

Currently held by Musselman Jr, James B

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 KB3HM's current licensee, walking backwards.

  1. WA3JBMcancelled· E
    Musselman Jr, James BPAgranted 2021-10-22cancelled 2022-02-05
  2. NV3Kactive· E
    Royston, Adam JPAgranted 2023-12-22
  3. W3PAXcancelled· E
    Royston, Adam JPAgranted 2016-09-09cancelled 2023-12-22
  4. KM4IXWcancelled· G
    Royston, Adam JVAgranted 2015-03-19cancelled 2016-09-09

Successor callsigns

Callsigns held now by people who previously held KB3HM.

  1. W3WOcancelled· E
    Musselman Jr, James BPAgranted 2022-06-24cancelled 2024-02-27
← Back to KB3HM License history →