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

K0XS callsign genealogy

Currently held by Tinggaard Jr, Neil C

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 K0XS's current licensee, walking backwards.

  1. KF0WAScancelled· E
    Cowan, Keith MSDgranted 2026-01-14cancelled 2026-05-22

Successor callsigns

Callsigns held now by people who previously held K0XS.

  1. WA0HJIactive· E
    Tinggaard Jr, Neil CCOgranted 2024-05-03
  2. W0TKactive· E
    DRURY, DONN ECOgranted 2019-01-30

All historical holders

Every license row we've seen with the callsign K0XS, oldest first.

  • Tinggaard Jr, Neil C CO
    2021-03-29 → cancelled 2024-05-03
  • Cowan, Keith M SD
    2026-05-22 active
  • DRURY, DONN E
    — → cancelled 1999-04-21
← Back to K0XS License history →