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

KM5XC callsign genealogy

Currently held by THRASHER, MARK E

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 KM5XC's current licensee, walking backwards.

  1. NL7JZcancelled· A
    THRASHER, MARK EOKgranted 1990-09-25cancelled 2000-07-11
  2. KA6CDB
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held KM5XC.

No current licensee on record previously held this callsign.