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

KS7TU callsign genealogy

Currently held by Clark, Stuart I

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 KS7TU's current licensee, walking backwards.

  1. KC7SCcancelled· E
    Clark, Stuart IWAgranted 2019-10-29cancelled 2020-11-28
  2. WA6BTKactive· E
    Clark, Stuart ICAgranted 2021-07-09

Successor callsigns

Callsigns held now by people who previously held KS7TU.

  1. WA6BTKactive· E
    Clark, Stuart ICAgranted 2021-07-09
← Back to KS7TU License history →