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

K9JN callsign genealogy

Currently held by Miller, Mark K

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 K9JN's current licensee, walking backwards.

  1. KF9RMcancelled· E
    NACHMAN, GARY AILgranted 2013-06-25cancelled 2013-12-03
  2. WB8JYP
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held K9JN.

  1. W9KMcancelled· E
    Miller, Mark KWIgranted 2011-11-08cancelled 2015-09-15

All historical holders

Every license row we've seen with the callsign K9JN, oldest first.

  • NATION, JAMES A IL
    2000-06-27 → cancelled 2003-02-10
  • Miller, Mark K WI
    2011-04-26 → cancelled 2011-11-08
  • NACHMAN, GARY A IL
    2023-09-07 active
← Back to K9JN License history →