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

WR7JM callsign genealogy

Currently held by MARCINKO, JON M

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 WR7JM's current licensee, walking backwards.

  1. W7FHZactive
    Channel One Repeater GroupWAgranted 2024-03-19
  2. KG7ALFcancelled
    Channel One Repeater GroupWAgranted 2012-12-28cancelled 2013-01-29

Successor callsigns

Callsigns held now by people who previously held WR7JM.

  1. K7KGexpired· E
    MARCINKO, JON MWAgranted 2005-07-15cancelled 2017-07-18