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

K0SDH callsign genealogy

Currently held by HULL, STEPHEN 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 K0SDH's current licensee, walking backwards.

  1. W0ETXcancelled· E
    HULL, STEPHEN DCOgranted 1999-11-16cancelled 2009-08-04
  2. KI0QKcancelled· A
    HULL, STEPHEN DCOgranted 1999-06-16cancelled 1999-11-16
  3. WB6ETXcancelled· A
    HULL, STEPHEN Dcancelled 1999-06-16

Successor callsigns

Callsigns held now by people who previously held K0SDH.

  1. AA0Pactive· E
    Huntsman, Steven DMNgranted 2015-12-08

All historical holders

Every license row we've seen with the callsign K0SDH, oldest first.

  • Huntsman, Steven D MN
    2001-10-23 → cancelled 2006-01-10
  • HULL, STEPHEN D CO
    2019-05-07 active
← Back to K0SDH License history →