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

K4ATG callsign genealogy

Currently held by Hacker, Leonard D

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 K4ATG's current licensee, walking backwards.

  1. KW4ZOcancelled· E
    Hacker, Leonard DGAgranted 2016-02-13cancelled 2017-02-28
  2. K4MOPcancelled· E
    Hacker, Leonard DFLgranted 2016-02-13cancelled 2016-11-21
  3. KK4WHBcancelled· G
    Hacker, Leonard DFLgranted 2014-01-09cancelled 2016-02-13

Successor callsigns

Callsigns held now by people who previously held K4ATG.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K4ATG, oldest first.

  • HAYWOOD, WILLIAM T AL
    2004-11-12 → cancelled 2017-02-10
  • Hacker, Leonard D GA
    2017-02-28 active
← Back to K4ATG License history →