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

AD4KY callsign genealogy

Currently held by Humphrey, Earnie F

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 AD4KY's current licensee, walking backwards.

  1. W7FAYcancelled· E
    Humphrey, Earnie FKYgranted 2009-10-23cancelled 2011-12-09
  2. KF4GCPcancelled· T
    HUMPHREY, EARNIE FKYgranted 1996-01-18cancelled 1999-11-04

Successor callsigns

Callsigns held now by people who previously held AD4KY.

  1. KQ4OScancelled· E
    BROWNLEE-CARPENTER, JOSEPHFLgranted 2019-03-19cancelled 2022-04-30

All historical holders

Every license row we've seen with the callsign AD4KY, oldest first.

  • WASHINGTON, JOSEPH G FL
    2003-07-09 → cancelled 2007-10-13
  • Humphrey, Earnie F KY
    2022-02-23 active
← Back to AD4KY License history →