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Confidence: Medium · Source: FCC ULS · As of 2026-09-15

KW1M callsign genealogy

Currently held by Koechel, Martin W

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 KW1M's current licensee, walking backwards.

  1. K9AMGactive· E
    Grossmeier, Alan MWIgranted 2025-12-12
  2. KD9FHFcancelled· G
    Grossmeier, Alan MWIgranted 2016-01-21cancelled 2016-02-27

Successor callsigns

Callsigns held now by people who previously held KW1M.

  1. AK1Bcancelled
    Group M Nor EastCAgranted 2010-07-27cancelled 2010-08-17

All historical holders

Every license row we've seen with the callsign KW1M, oldest first.

  • FRANCE, DAVID A GA
    1999-12-15 → cancelled 2007-08-31
  • Group M Radio Scouts CA
    2010-04-30 → cancelled 2010-07-27
  • Koechel, Martin W NH
    2022-05-21 active
← Back to KW1M License history →