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

WU0R callsign genealogy

Currently held by STEWART, WILLIAM 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 WU0R's current licensee, walking backwards.

  1. AB1WAcancelled· E
    Noah, Robert BMAgranted 2014-06-25cancelled 2014-07-15

Successor callsigns

Callsigns held now by people who previously held WU0R.

  1. K5EMIactive· E
    STEWART, WILLIAM KTXgranted 2026-02-19
  2. W0BKRcancelled· E
    Hays, Christopher BTXgranted 2012-06-16cancelled 2012-12-14

All historical holders

Every license row we've seen with the callsign WU0R, oldest first.

  • STEWART, WILLIAM K TX
    1999-08-05 → cancelled 2006-04-18
  • Hays, Christopher B TX
    2011-01-07 → cancelled 2012-06-16
  • Noah, Robert B MO
    2014-07-15 → cancelled 2026-07-16
← Back to WU0R License history →