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

K4SGK callsign genealogy

Currently held by KAFKA, STEVEN 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 K4SGK's current licensee, walking backwards.

  1. W7SGKcancelled· G
    KAFKA, STEVEN GAZgranted 2020-09-15cancelled 2022-02-01
  2. WB7QGJcancelled· G
    KAFKA, STEVEN GAZgranted 2005-05-11cancelled 2010-11-28

Successor callsigns

Callsigns held now by people who previously held K4SGK.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K4SGK, oldest first.

  • HURLEY SR, THOMAS G TN
    2008-07-25 → cancelled 2020-10-24
  • KAFKA, STEVEN G KY
    2022-02-01 active