Everything Everywhere Daily: History, Science, Geography, & More

Satellite Internet: How It Works

Mar 27, 2026
A tour of satellite internet from geostationary beginnings to modern low‑Earth constellations. Tech topics include latency limits, phased‑array user terminals, and laser interlinks between satellites. The story covers cost drops in launches and manufacturing, the rise of mass‑produced networks like Starlink, and the real‑world impacts on remote connectivity and geopolitics.
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ANECDOTE

Host's Slow Satellite Internet Travel Stories

  • Nick Martell recounts using satellite internet in remote places and finding it painfully slow.
  • In Majuro (2007) and on St. Helena the connections felt like slow dial-up and were effectively unusable beyond basic browsing.
INSIGHT

Teledesic Was The Visionary Predecessor To Starlink

  • Teledesic pioneered the low-Earth orbit mesh concept decades before it was economically viable.
  • It proposed hundreds of satellites as packet-switching nodes at ~700–1,400 km but failed due to high launch and production costs in the 1990s.
INSIGHT

Reusable Rockets Made Mass Constellations Practical

  • Lower satellite cost components and cheaper launches enabled LEO constellations to become feasible.
  • Declining computing and solar panel costs helped, but reusable rockets were the missing economic piece until SpaceX reduced launch prices.
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