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

KW0X callsign genealogy

Currently held by Wernsman, David 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 KW0X's current licensee, walking backwards.

  1. AI5WOcancelled· E
    Wernsman, David WTXgranted 2025-04-11cancelled 2025-05-30
  2. KJ5KWMcancelled· E
    Wernsman, David WTXgranted 2025-04-11cancelled 2025-04-21

Successor callsigns

Callsigns held now by people who previously held KW0X.

  1. W0LPactive· E
    JAMES, DANIEL JMNgranted 2023-05-09
  2. K0TXactive· E
    Grisak, DenisCOgranted 2021-02-17

All historical holders

Every license row we've seen with the callsign KW0X, oldest first.

  • HENRY, GENE A MN
    2008-10-14 → cancelled 2020-12-30
  • Grisak, Denis CO
    2021-01-19 → cancelled 2021-02-17
  • JAMES, DANIEL J MN
    2023-03-13 → cancelled 2023-05-09
  • Wernsman, David W AL
    2025-05-30 active
← Back to KW0X License history →