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

WW9F callsign genealogy

Currently held by BIELSKI, STEVEN J

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 WW9F's current licensee, walking backwards.

  1. KD9BENactive· T
    Neuendorf, Benjamin EILgranted 2017-11-21
  2. KD9HZVcancelled· T
    Neuendorf, Benjamin EILgranted 2017-03-01cancelled 2017-11-21

Successor callsigns

Callsigns held now by people who previously held WW9F.

  1. K9BXactive· E
    BIELSKI, STEVEN JILgranted 2022-09-07

All historical holders

Every license row we've seen with the callsign WW9F, oldest first.

  • MONROE, JAMES E IL
    2000-07-18 → cancelled 2012-10-10
  • BIELSKI, STEVEN J IL
    2012-10-30 → cancelled 2012-12-04
  • Kraft, Jeffrey G IL
    2024-09-25 active
← Back to WW9F License history →