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| Starlink | |
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| Tweet Topic Started: Mar 31 2018, 05:22 AM (53 Views) | |
| George K | Mar 31 2018, 05:22 AM Post #1 |
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Finally
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https://gizmodo.com/the-fcc-just-gave-spacex-the-go-ahead-to-build-a-space-1824204830Before we got DSL at the Cheddarshack®, I was looking at internet access via our satellite dish. There were some serious disadvantages: 1) Cost was high, and not justifiable for the sporadic use I'd make of it. 2) Speeds were slow, not much better than dial-up 3) Latency was terrible. When you consider that your request to load a page has to go 23K miles to the geostationary satellite, 23K miles to whatever server you're trying to connect, then another 23K for it to talk to the satellite, and ANOTHER 23K miles to get back to you, you're looking at serious delay. I assume that, since these are "low orbit" satellites that are being proposed, latency will not be much of a problem. https://www.digitaltrends.com/cool-tech/spacex-starlink-elon-musk-news/
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A guide to GKSR: Click "Now look here, you Baltic gas passer... " - Mik, 6/14/08 Nothing is as effective as homeopathy. I'd rather listen to an hour of Abba than an hour of The Beatles. - Klaus, 4/29/18 | |
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| Jolly | Mar 31 2018, 05:31 AM Post #2 |
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Geaux Tigers!
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Couple of things... 1. I would assume these satellites are quite small and disposable and don't require a lot of boost to be put into low orbit. 2. If so, I would assume they will launch from a a very high-flying aircraft /spaceplane of some sort, to cut down even more on the amount of boost needed and also do multiple launches at one time. |
| The main obstacle to a stable and just world order is the United States.- George Soros | |
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| George K | Mar 31 2018, 05:58 AM Post #3 |
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Finally
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Good point. IIRC, they've already put two satellites up, as a "proof of concept" thing. However, they were launched from the Falcon 9 rocket. https://www.cnet.com/news/how-spacex-brings-starlink-broadband-satellite-internet-to-low-earth-orbit/ https://spaceflightnow.com/2018/02/20/test-satellites-for-spacexs-broadband-megaconstellation-set-for-launch/
http://space.skyrocket.de/doc_sdat/microsat-2.htm ![]() 400 kg! Edited by George K, Mar 31 2018, 06:02 AM.
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A guide to GKSR: Click "Now look here, you Baltic gas passer... " - Mik, 6/14/08 Nothing is as effective as homeopathy. I'd rather listen to an hour of Abba than an hour of The Beatles. - Klaus, 4/29/18 | |
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| Copper | Mar 31 2018, 06:50 AM Post #4 |
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Shortstop
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I wonder if indoor reception will be a problem. It says they will use "lasers allowing them to communicate and coordinate with each other.". I assume they don't use lasers to communicate with the ground. It seems like weather and buildings would be a problem. |
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The Confederate soldier was peculiar in that he was ever ready to fight, but never ready to submit to the routine duty and discipline of the camp or the march. The soldiers were determined to be soldiers after their own notions, and do their duty, for the love of it, as they thought best. Carlton McCarthy | |
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)that will beam connectivity with frequencies in the Ka and Ku bands. It actually works exactly like the wireless service on many airplanes, except SpaceX promises fiber-fast speeds. The system is expected to go online next year, after SpaceX gets at least 800 satellites in orbit.





4:46 PM Jul 10