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

K4AZZ callsign genealogy

Currently held by Duckworth, Ruben B

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 K4AZZ's current licensee, walking backwards.

  1. KQ4DYYcancelled· T
    MOSHIER, ADAM EGAgranted 2022-10-21cancelled 2022-11-08

Successor callsigns

Callsigns held now by people who previously held K4AZZ.

  1. W4USCactive· T
    Lord, Ray ASCgranted 2019-08-20
  2. NB4Ractive· E
    Duckworth, Ruben BTNgranted 2017-03-28

All historical holders

Every license row we've seen with the callsign K4AZZ, oldest first.

  • BROWN, RUTH E FL
    2000-08-22 → cancelled 2012-08-23
  • Duckworth, Ruben B TN
    2016-01-19 → cancelled 2017-03-28
  • Lord, Ray A SC
    2019-05-18 → cancelled 2019-08-20
  • MOSHIER, ADAM E GA
    2022-11-08 active
← Back to K4AZZ License history →