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

WD9ISN callsign genealogy

Currently held by UTHMEIER, STEVEN R

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 WD9ISN's current licensee, walking backwards.

  1. WN9Kactive· E
    Van Wye Sr, Joseph SINgranted 2024-04-23
  2. AJ9Wactive· E
    Harris, Joel EINgranted 2016-08-06
  3. KD9GMMcancelled· E
    Harris, Joel EINgranted 2016-06-20cancelled 2016-08-06

Successor callsigns

Callsigns held now by people who previously held WD9ISN.

  1. WN9Kcancelled· E
    UTHMEIER, STEVEN RWIgranted 2002-05-29cancelled 2012-06-26
← Back to WD9ISN License history →