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

KM3G callsign genealogy

Currently held by Harpster, Tyler J

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 KM3G's current licensee, walking backwards.

  1. N3SPDcancelled· E
    Harpster, Tyler JPAgranted 2004-04-19cancelled 2005-07-19

Successor callsigns

Callsigns held now by people who previously held KM3G.

  1. KU7Iactive· E
    ZEITLER, LANE CNMgranted 2018-10-25
  2. W6MGcancelled· E
    Geleskie, MarkPAgranted 2003-03-18cancelled 2010-04-06

All historical holders

Every license row we've seen with the callsign KM3G, oldest first.

  • Geleskie, Mark PA
    2002-06-04 → cancelled 2003-03-18
  • Harpster, Tyler J PA
    2025-06-06 active
  • ZEITLER, LANE C
    → cancelled 1999-01-07