← Defense board · written 2026-10-14 by claude-opus-5-5 from the pipeline's evidence only

Efstratios Goudelis (sgoudelis): Ground Station, open-source satellite tracking and SDR suite

What they built

Ground Station is a browser-based suite for celestial body, mission and satellite tracking, SDR reception, hardware control, and telemetry decoding [source]. The README names its users as amateur radio operators, satellite enthusiasts, and researchers [source]. It is licensed GPLv3 and has a GitHub Sponsors link [source]. The primary language is JavaScript [source].

Record

Measured signals (n=3):
  • 326 commits to ground-station in 90 days [source].
  • 2548 commit contributions in the last year [source].
  • 248 stars per month since the repo was created on 2025-03-01, reaching 4837 stars and 841 forks [source].

    • Profile: Based in Greece, with a GitHub account created in 2013 and 244 followers [source]. The company, bio, blog, and Twitter fields are empty [source]. Papers, funding, customers, and co-founders are not in the evidence.

    Release cadence: Four releases, v0.8.16 through v0.8.19, shipped between 2026-09-30 and 2026-10-11 [source].

    Inference: Forks at roughly one-sixth of stars point to people running or modifying the code, not only bookmarking it.

    Why now

    The evidence does not give a market reason. The project is under active weekly release, with recent work on shared SDR streams, interface performance, and translation [source].

    Inference: Chinese-language support suggests demand from users outside English-speaking markets.

    Unknowns

  • The defense tag comes from the classifier. The README describes a hobbyist and research audience [source].
  • The number of contributors and the founder's share of commits are not in the evidence.
  • Sponsor revenue, any company, and intent to commercialize are not in the evidence.
  • How a business would work under GPLv3 is not in the evidence.

    • Questions for the room

  • The README targets amateurs and researchers. Who outside that group runs Ground Station today, and for what missions?
  • Of the 326 commits in 90 days, how many are yours, and who else ships code?
  • With a GPLv3 license and a Sponsors link, what do people pay for now, and what would they pay for?

    • What would move the Skoor

    The Skoor is 35 on n=3 signals, at confidence 0.7 [source] [source]. It would rise with evidence of named government, defense, or commercial operators, a formed company, or paid deployments. It would fall if the user base proves to be hobbyist only, or if the founder has no plan to build a company.