uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-14

KD0SEW callsign genealogy

Currently held by THOMPSON, KARIN K

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 KD0SEW's current licensee, walking backwards.

  1. KD4DXXactive· G
    THOMPSON, KARIN KGAgranted 2021-09-03
  2. K0RTXactive· T
    Ranard, Katherine MCOgranted 2025-06-17
  3. KF0UIYcancelled· T
    Ranard, Katherine MCOgranted 2025-05-28cancelled 2025-06-17

Successor callsigns

Callsigns held now by people who previously held KD0SEW.

  1. K0RTXcancelled· G
    THOMPSON, KARIN KGAgranted 2012-07-03cancelled 2021-09-03
← Back to KD0SEW License history →