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Confidence: Medium · Source: FCC ULS · As of 2026-09-11

KC7SC 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 KC7SC's current licensee, walking backwards.

  1. WA6BTKactive· E
    Clark, Stuart ICAgranted 2021-07-09
  2. KS7TUcancelled· E
    Clark, Stuart IWAgranted 2020-11-28cancelled 2021-07-09

Successor callsigns

Callsigns held now by people who previously held KC7SC.

  1. KS7TUcancelled· E
    Clark, Stuart IWAgranted 2020-11-28cancelled 2021-07-09

All historical holders

Every license row we've seen with the callsign KC7SC, oldest first.

  • DIBBLE, JOHN E AZ
    1998-01-12 → cancelled 2010-01-13
  • Clark, Stuart I WA
    2019-10-29 → cancelled 2020-11-28