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

KM7SM callsign genealogy

Currently held by MARSH II, OTIS 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 KM7SM's current licensee, walking backwards.

  1. KM5QMcancelled· A
    MARSH II, OTIS BIDgranted 2007-10-17cancelled 2008-12-12
  2. KD5CNRcancelled· G
    MARSH II, OTIS Bcancelled 1998-05-19

Successor callsigns

Callsigns held now by people who previously held KM7SM.

No current licensee on record previously held this callsign.

← Back to KM7SM License history →