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Questions tagged [communication-satellite]

Questions about satellites designed to aid in communications, such as phone, TV and Internet satellites.

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What is a satellite trap?

I keep hearing about satellite traps, which have something to do with receiving and transmitting satellite communications, but I can't seem to find a definition. The securityaffairs.co blogpost Hack ...
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Were solar concentrators on HS-702 just a stop-gap measure until triple-junction PV cells were available?

According to Gunter's Space Page discussion of early versions of the Hughes HS-702 Bus: The first version of the 702 used solar arrays with concentrators. These concentrators tended to early ...
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Can they watch TV at the South Pole? What satellites are used for data, comms, and entertainment?

edit: This answer adds one more piece to the puzzle, at least for data. For navigation, I believe GPS covers the poles. For data, there is at least Iridium (see answers to What (actually) makes ...
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All Optical Global Network - how does the space-to-ground link avoid clouds?

I just saw the news item in Lightwave's online website: Laser Light to leverage free-space optics in space for Optical Satellite as a Service. All Optical Hybrid Global Network (or HALO, as laser ...
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Are the Tintin's talking to each other? If so, how? (SpaceX' Starlink tests)

Tintin A and B are the first two exploratory and testing spacecraft for SpaceX's Starlink program. It looks like they are in very similar orbits in both space and time, and are probably that way so ...
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What technology will SpaceX's StarLink satellites most likely use for sat-to-sat linking?

The question How does SpaceX plan to make money with StarLink Broadband? has got me thinking about how the satellites will link to each other. Wikipedia says it's something greater than 10,000 GHz ...
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What kind of power does “…most powerful all-electric propulsion communications satellite ever produced” refer to?

The Florida Today article On second flight, SpaceX Falcon 9 rocket to launch 'brute' of a satellite from Cape describes the upcoming SpaceX launch of SES-12. Next to this tiny image of (presumably) ...
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Which materials make up a Commercial Satellite?

I'm writing a story based on the premise that an already-existing moon base is used to mine, construct, and launch a bunch of commercial satellites to GTO (the lunar surface is way "closer" to GTO ...
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How exactly does the live feed from ISS work?

Using my cell phone in a city to download lots of data very fast is common, thanks due to the dense net of base stations close to me (~1 km). But with the space station about 400 km above ground and ...
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What is meant by “a high-energy geostationary orbit”? (SpaceX Arabsat 6A)

The Teslarati article SpaceX’s April 7th Falcon Heavy launch a step toward new commercial markets says: While there is some inherent uncertainty surrounding the (once again) fairly new rocket, ...
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How much of the piggybacked Aireon system rely on its Iridium Next hosts?

The NBC News article Next-generation satellites gave federal officials key data in Boeing 737 Max investigation says: The Federal Aviation Administration, or FAA, grounded Boeing's 737 Max ...
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What are the photonic components on Hispasat 30W-6? What do they do?

In the marketing blurb about the payload in the SpaceX video HISPASAT 30W-6 Mission beginning at T- 00:05:45, there is mention of a demonstration of photonic ...
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Does a low-orbit communication network drive a sustainable launch market?

With SpaceX recent announcement of a huge satellite network in low earth orbit, I was wondering if such a network would motivate a sustainable large-scale launch capacity, i.e. a increase of scale of ...