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How does Starlink Satellite Internet Work?📡☄🖥

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With Starlink internet, data is continuously being sent between a ground dish and a Starlink satellite orbiting 550km above. Furthermore, the Starlink satellite zooms across the sky at 27,000km/hr! How can the dish and satellite maintain a continuous connection? And then how is data sent back and forth? Well, in this video we're going to dive into the inner workings for the ground dish and Starlink satellites, and see how a beam of data is formed, how this beam is swept across the sky, and then finally what exactly is in that beam that allows for incredibly fast internet! This is an incredible feat of technology and engineering, so stick around!

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Table of Contents:

00:00 - Intro to Starlink

01:00 - Overview of Exploring Starlink

01:46 - Difference between Starlink and Broadcast Satellites

03:28 - Parts Inside a Dishy McFlatface

05:06 - How does an Aperture Couple Patch Antenna Work?

09:13 - Electromagnetic Wave Emission

12:45 - Forming a Beam that Reaches Space: Beamforming

15:22 - Brilliant

16:52 - Steering a Beam to Sweep Across the Sky

18:54 - Starlink: Phase Array Beam Steering

21:11 - Notes on Phased Array Beam Steering

22:24 - Sending Data in a Beam to the Starlink Satellite

23:27 - Innerworkings of 64QAM

26:02 - Actual Size of Starlink Dishy & EM Waves

26:55 - Images from the Starlink Patent

27:49 - Outro

Key Branches from this video are: How does Bluetooth Work?

Erratum:

At 2m50s, the orbits are inaccurate. The TV satellite should be in geostationary orbit moving in the same direction as the Earth. Furthermore, all the Starlink satellites should be orbiting West to East. Credit to Paul S.

Script, Modeling, Animation: Teddy Tablante

Twitter: @teddytablante

Modeling: Prakash Kakadiya

Animation: Mike Radjabov

Voice Over: Phil Lee

Sound Design: www.drilu.mx

Sound Effects: Luis Zuleta

Sound Effects and Music Editor: David Pinete

Sound Effects: Raúl Núñez

Supervising Sound Editor and Mixer: Luis Huesca

Animation built using Blender 3.1.2 https://www.blender.org/

Post with Adobe Premiere Pro

References:

Antenna Theory: https://www.antenna-theory.com/

Distributed Phase Shifter Array System and Method [Starlink Patent]

https://patents.google.com/patent/US20180241122A1/en)..

Elon Musk's Starlink and Satellite Broadband https://dgtlinfra.com/elon-musk-starlink-and-satellite-broadband/

SpaceX Filings with FCC https://fcc.report/IBFS/Company/Space-Exploration-Technologies-Corp-SpaceX

SpaceX Reveals More Starlink Info After Launch of First 60 Satellites https://techcrunch.com/2019/05/24/spacex-reveals-more-starlink-info-after-launch-of-first-60-satellites/

Wikipedia contributors. "Antenna Types","Aperture(Antenna)" ,"Low Earth Orbit", "Patch Antenna", "Phased Array", "Starlink" Wikipedia, The Free Encyclopedia. Wikipedia, The Free Encyclopedia, Visited August 2022

#Starlink #Satellite #Internet

Publisher
Branch Education

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