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

KR6FR callsign genealogy

Currently held by ROSS, MARK H

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 KR6FR's current licensee, walking backwards.

  1. KR6FQactive· E
    Peterson, L. BrandtCAgranted 2024-03-05
  2. K7COEcancelled· E
    Peterson, L. BrandtCAgranted 2009-12-08cancelled 2014-05-16
  3. KJ6DJHcancelled· G
    Peterson, Linn BCAgranted 2009-11-10cancelled 2009-12-08

Successor callsigns

Callsigns held now by people who previously held KR6FR.

  1. KR6FScancelled· A
    ROSS, MARK HCAgranted 2000-03-28cancelled 2007-02-08