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

K4KKJ callsign genealogy

Currently held by Hall, Fred W

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 K4KKJ's current licensee, walking backwards.

  1. KM4IFHcancelled· G
    JOHNSON, KENNETH WNCgranted 2015-02-25cancelled 2015-05-12

Successor callsigns

Callsigns held now by people who previously held K4KKJ.

  1. K4KIcancelled· E
    CARLSON, DON GSCgranted 2017-08-28cancelled 2018-11-15
  2. AA4FHcancelled· E
    Hall, Fred WALgranted 2006-02-07cancelled 2007-03-02

All historical holders

Every license row we've seen with the callsign K4KKJ, oldest first.

  • Hall, Fred W AL
    2005-09-02 → cancelled 2006-02-07
  • JOHNSON, KENNETH W NC
    2025-05-14 active
  • —
    — → cancelled 1997-10-20
← Back to K4KKJ License history →