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

KD3U callsign genealogy

Currently held by Binder, Lee M

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 KD3U's current licensee, walking backwards.

  1. KC3IPRcancelled· E
    Binder, Lee MPAgranted 2017-02-21cancelled 2017-05-06

Successor callsigns

Callsigns held now by people who previously held KD3U.

  1. N5FCactive· E
    Coriell, Dennis ANMgranted 2025-04-08
  2. N3XQactive· E
    STONE, THOMAS JPAgranted 2020-10-06
  3. K4WYactive· E
    KELLEY, JOHN DVAgranted 2016-09-21
  4. N3XQcancelled· E
    STONE, THOMAS JPAgranted 2008-01-25cancelled 2010-02-19

All historical holders

Every license row we've seen with the callsign KD3U, oldest first.

  • STONE, THOMAS J PA
    2007-11-17 → cancelled 2008-01-25
  • STONE, THOMAS J PA
    2010-02-19 → cancelled 2010-12-21
  • Coriell, Dennis A MD
    2013-04-19 → cancelled 2015-04-17
  • Binder, Lee M FL
    2017-05-06 active
← Back to KD3U License history →