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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

KM6SVO callsign genealogy

Currently held by HALES, MARK D

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 KM6SVO's current licensee, walking backwards.

The current licensee has not held any other callsign on record.

Successor callsigns

Callsigns held now by people who previously held KM6SVO.

  1. KO4SEHcancelled· T
    HALES, MARK DVAgranted 2018-05-09cancelled 2026-03-07