Tech Trends
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
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@BranchEducation
April 16, 2025 at 6:19 am
How many shooting stars did you see throughout the video? Post what you counted and we'll pick a random correct comment to receive a prize. Also, check out the Creator's Comments found in the English (Canada) subtitles for many additional details. Note: you can access them via the options button -> transcript -> English(Canada). FAQ: Q1) Do the two phase shifts from beam steering and 64QAM mess each other up? A: No. For transmission, the data is encoded into the 64QAM signal and sent to all the beamformers where then the beam steering phase shift is added. Then the signal is sent to the front-end modules which increases the power for the patch antennas.
@walkashland
April 16, 2025 at 6:19 am
Inside dishy
@god8vit
April 16, 2025 at 6:19 am
What an amazing piece of art, science and education this video is. This is my first time watching Branch Education ; definitely wont be the last !
@S2G-FC
April 16, 2025 at 6:19 am
We use 4096 qam . For 12bit encoding
@Pxiify
April 16, 2025 at 6:19 am
its super educational
@saskiavanhoutert6081
April 16, 2025 at 6:19 am
Perhaps satellites's can use lightsignals to transmit data, there should be 3 lightsignals for video-, picture- and sound.
Please pass this too Elon Musk. This video has explained excellent, thanks and kind regards.
@k_b_2025_jp
April 16, 2025 at 6:19 am
I did not understand everything. But I know everything is awesome.
@doradosurfcharters
April 16, 2025 at 6:19 am
I tree fucks the whole signal
@doradosurfcharters
April 16, 2025 at 6:19 am
No way that was made in American china i bet
@doradosurfcharters
April 16, 2025 at 6:19 am
I thought the satellite stayed in a fixed position?
@christianreyes9115
April 16, 2025 at 6:19 am
Who else is watching this complex video of starlink using starlink 😃
@danthem2278
April 16, 2025 at 6:19 am
Incredible!
@matthewwalker6621
April 16, 2025 at 6:19 am
So basically I plug it in and it works
@sciencerelevant4588
April 16, 2025 at 6:19 am
that's so amazing educational video. Thank you so much.
@TheWorldPeopleWhoChanged
April 16, 2025 at 6:19 am
Starlink uses a network of low-Earth orbit satellites to beam internet directly to users via a dish. Lower orbit means lower latency and faster speeds compared to traditional satellite internet. Think of it as a high-speed space-based Wi-Fi.
@runderdfrech3560
April 16, 2025 at 6:19 am
What you didn't expain is how do the satellites itself transmit/receive so much data to/from ground stations for all the internet users.
@megatoncellular
April 16, 2025 at 6:19 am
can our galactic families pass through unharmed.. can we get out? We are the only planet in cosmo's with cars they are outdated and pollute im hoping we make through tech. and particular wartech its freaky when it comes to tech because of all they used on us .❤
@dhheady
April 16, 2025 at 6:19 am
No wonder copper costs have been driven up.
@ravindrakumar-qm3iv
April 16, 2025 at 6:19 am
The explanation is very cool and clear.
Thank you sir.
@ginues8923
April 16, 2025 at 6:19 am
Nice Video
@tklyte2
April 16, 2025 at 6:19 am
Some humans build cool shit like this, other humans think the earth is flat😢. Engineers never cease to amazed me. ❤❤
@visionofwellboyofficial
April 16, 2025 at 6:19 am
Finally, Starlink arrived in Mongolia
@ericles6425
April 16, 2025 at 6:19 am
Best video on this subject!! Love it!
@roypaul553
April 16, 2025 at 6:19 am
Thanks
@vinyl_audio_for_life
April 16, 2025 at 6:19 am
Can this satellite technology be used to create a fixed point to point (pseudowire) circuit that transport VLANS just like how a dedicated L2 circuit is transported over an IP/MPLS link? I am looking at an application where I want to provide communication between point A and Point B on land but I don't have infrastructure linking both locations. I want to inject my own traffic at locations A and B but use the satellite to link the locations. Is this a practical application of starlink?
@DrIT-qv1ek
April 16, 2025 at 6:19 am
Nicely explained. Mind blowing!
@tomAlter-ty2bj
April 16, 2025 at 6:19 am
So fascinating
@danielselaru7247
April 16, 2025 at 6:19 am
If the phase of the signal is changed to properly determine its direction, how does that affect the 6 bit string's encoding?
Are all of the antenas' phases calculated so that the final inferencing signal also has the proper phase for encoding the bit string?
@jcminvestments9078
April 16, 2025 at 6:19 am
Nice
@elnuraliyev8016
April 16, 2025 at 6:19 am
I should not take my job that seriously. There are people doing this kinda a things
@Catpanl
April 16, 2025 at 6:19 am
EE here. Very good video that was just right. Thanks for the hard work making it.
@TechPathEdu
April 16, 2025 at 6:19 am
w vid