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

K7IWJ callsign genealogy

Currently held by LANDIS, MARK G

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 K7IWJ's current licensee, walking backwards.

  1. W7BUSactive· G
    LANDIS, MARK GORgranted 2025-02-22
  2. W7TENactive
    PINEAPPLE STATE PAPER CHASERSHIgranted 2016-04-08
  3. WV0Zactive· E
    Baumann, Robert GCOgranted 2018-04-27
  4. KE0QHHcancelled· E
    Baumann, Robert GCOgranted 2018-02-27cancelled 2018-04-27

Successor callsigns

Callsigns held now by people who previously held K7IWJ.

  1. W7BUScancelled· G
    LANDIS, MARK GORgranted 2012-12-01cancelled 2013-03-22
  2. W7BUScancelled· G
    LANDIS, MARK GORgranted 2003-11-07cancelled 2011-03-04

All historical holders

Every license row we've seen with the callsign K7IWJ, oldest first.

  • LANDIS, MARK G OR
    1996-05-29 → cancelled 2003-11-07
  • LANDIS, MARK G OR
    2011-03-04 → cancelled 2012-12-01
← Back to K7IWJ License history →