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

K3WDR callsign genealogy

Currently held by RYAN, WILLIAM D

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 K3WDR's current licensee, walking backwards.

  1. N1WDRcancelled· G
    RYAN, WILLIAM DMDgranted 2012-05-22cancelled 2012-07-06

Successor callsigns

Callsigns held now by people who previously held K3WDR.

  1. W3WDRcancelled· E
    RYAN, WILLIAM DMDgranted 2018-12-04cancelled 2020-01-31
  2. N1WDRcancelled· G
    RYAN, WILLIAM DMDgranted 2012-05-22cancelled 2012-07-06

All historical holders

Every license row we've seen with the callsign K3WDR, oldest first.

  • RYAN, WILLIAM D MD
    2012-01-04 → cancelled 2012-05-22
  • RYAN, WILLIAM D MD
    2012-07-06 → cancelled 2018-12-04
← Back to K3WDR License history →