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

KM7F callsign genealogy

Currently held by MARSHALL, TED G

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 KM7F's current licensee, walking backwards.

  1. N7MFcancelled
    Western States Contest ClubCAgranted 2021-04-22cancelled 2025-09-06
  2. N1TZactive· E
    KASSA, BRIAN TTXgranted 2022-08-02
  3. KD4WAVcancelled· E
    KASSA, BRIAN TWAgranted 2002-11-13cancelled 2012-10-27

Successor callsigns

Callsigns held now by people who previously held KM7F.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KM7F, oldest first.

  • MARSHALL, TED G OR
    1996-08-28 → cancelled 2008-08-29
  • FOSTER, KEVIN M WA
    2018-06-20 active