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

KT4W callsign genealogy

Currently held by CONRAD, RAYMOND 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 KT4W's current licensee, walking backwards.

  1. AF4MWcancelled· E
    Wilken, Marvin JGAgranted 2009-06-09cancelled 2009-08-04
  2. N8TCZactive· E
    Wilcox, James MMIgranted 2021-06-22
  3. KE8SCBcancelled· T
    Wilcox, James MMIgranted 2021-05-17cancelled 2021-06-22

Successor callsigns

Callsigns held now by people who previously held KT4W.

  1. NM2Oactive· E
    CONRAD, RAYMOND EFLgranted 2017-04-18

All historical holders

Every license row we've seen with the callsign KT4W, oldest first.

  • CONRAD, RAYMOND E MD
    2002-07-25 → cancelled 2007-07-14
  • Wilken, Marvin J TX
    2019-05-07 active
← Back to KT4W License history →