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

W9RDC callsign genealogy

Currently held by Croon, Gregory S

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 W9RDC's current licensee, walking backwards.

  1. K9KTRcancelled· G
    Carpenter, Richard DINgranted 2016-03-29cancelled 2017-12-01
  2. KD9AQXcancelled· G
    Carpenter, Richard DINgranted 2014-03-13cancelled 2016-03-29

Successor callsigns

Callsigns held now by people who previously held W9RDC.

  1. WX9RTcancelled· E
    Croon, Gregory SSCgranted 2015-09-15cancelled 2015-11-14

All historical holders

Every license row we've seen with the callsign W9RDC, oldest first.

  • Croon, Gregory S SC
    2015-07-18 → cancelled 2015-09-15
  • Carpenter, Richard D IN
    2017-12-01 active
← Back to W9RDC License history →