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

K9TD callsign genealogy

Currently held by WELCH, MORTON E

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 K9TD's current licensee, walking backwards.

  1. KD9ZMAcancelled· E
    Radcliffe, Sarah AWIgranted 2024-01-17cancelled 2025-08-01

Successor callsigns

Callsigns held now by people who previously held K9TD.

  1. W9ATBactive· E
    BRACK, ALAN TINgranted 2024-11-02
  2. N5NNactive· E
    REID, MICHAELOKgranted 2023-07-11
  3. N5NNcancelled· E
    REID, MICHAELOKgranted 2018-12-11cancelled 2022-07-15

All historical holders

Every license row we've seen with the callsign K9TD, oldest first.

  • BRACK, ALAN T IN
    1997-02-12 → cancelled 2005-01-11
  • REID, MICHAEL S TX
    2007-02-13 → cancelled 2008-12-09
  • WELCH, MORTON E WI
    2010-12-28 → cancelled 2021-05-16
  • REID, MICHAEL OK
    2022-07-15 → cancelled 2023-07-11
  • Radcliffe, Sarah A WI
    2025-08-01 active
← Back to K9TD License history →