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

WA9YSD callsign genealogy

Currently held by Borowski, James A

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 WA9YSD's current licensee, walking backwards.

  1. K9FRCcancelled
    KITE FLIERS RADIO CLUBWIgranted 2006-04-21cancelled 2009-04-14
  2. KC9IYZcancelled
    KITE FLIERS RADIO CLUBWIgranted 2006-03-08cancelled 2006-04-21

Successor callsigns

Callsigns held now by people who previously held WA9YSD.

  1. K9TFactive· E
    BOROWSKI, JAMES AMNgranted 2025-12-30

All historical holders

Every license row we've seen with the callsign WA9YSD, oldest first.

  • Borowski, James A WI
    2005-09-01 → cancelled 2006-02-07
  • KITE FLIERS RADIO CLUB WI
    2019-12-03 active
← Back to WA9YSD License history →