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

W4YTT callsign genealogy

Currently held by Broderick, William G

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 W4YTT's current licensee, walking backwards.

  1. WO2Aactive· E
    DeMartini JR, jamesNYgranted 2023-01-25
  2. KB2EKXexpired
    JCL Amateur Radio ClubNYgranted 2014-08-08cancelled 2026-08-12
  3. KD2GXGcancelled
    JCL Amateur Radio ClubNYgranted 2014-07-11cancelled 2014-08-08

Successor callsigns

Callsigns held now by people who previously held W4YTT.

  1. W2GXactive· E
    Broderick, William GNCgranted 2020-06-16
  2. WO2Acancelled· E
    Broderick, William GNCgranted 2009-06-20cancelled 2009-12-25
  3. K4DDXcancelled· G
    Broderick, William GNCgranted 2009-04-04cancelled 2009-05-02

All historical holders

Every license row we've seen with the callsign W4YTT, oldest first.

  • Broderick, William G NC
    2008-12-19 → cancelled 2009-04-04
  • Broderick, William G NC
    2009-05-02 → cancelled 2009-06-20
  • Broderick, William G NC
    2009-12-25 → cancelled 2010-08-31