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

KG3UM callsign genealogy

Currently held by STORCHAN, GEOFFREY 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 KG3UM's current licensee, walking backwards.

  1. AB3UMcancelled· E
    STORCHAN, GEOFFREY BDCgranted 2011-04-05cancelled 2020-05-29
  2. KB8UUMcancelled· E
    STORCHAN, GEOFFREY BDCgranted 2004-10-19cancelled 2011-04-05

Successor callsigns

Callsigns held now by people who previously held KG3UM.

  1. KB3UMactive· E
    STORCHAN, GEOFFREY BDCgranted 2021-11-23
← Back to KG3UM License history →