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

KR6FS 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 KR6FS's current licensee, walking backwards.

  1. KR6FRcancelled· A
    ROSS, MARK HCAgranted 2000-03-28cancelled 2007-02-07
  2. KR6FQactive· E
    Peterson, L. BrandtCAgranted 2024-03-05
  3. K7COEcancelled· E
    Peterson, L. BrandtCAgranted 2009-12-08cancelled 2014-05-16
  4. KJ6DJHcancelled· G
    Peterson, Linn BCAgranted 2009-11-10cancelled 2009-12-08

Successor callsigns

Callsigns held now by people who previously held KR6FS.

  1. KR6FTcancelled· A
    ROSS, MARK HCAgranted 2000-03-28cancelled 2007-02-09