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Results tagged with artificial-satellite
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user 415
Questions about objects in orbit which are human made, such as communications and GPS satellites, orbital observatories and space stations, and other man-made object in permanent or semi-permanent orbits around the Earth, other celestial objects, aside from the Sun, or even other satellites. Not to be confused with non-orbited man-made objects in space, that are usually referred to as "probes", or simply "spacecraft".
4
votes
Accepted
Radio Link Design of a low power, sensors to satellite communication system
This is long, but it's still barely scratching the surface. I'll try to take it nice and slow, so bear with me.
Generally, when dealing with radio links, it's a good idea to start with a link budget. …
- 7,350
22
votes
What would be the (most difficult) challenge to make a 10,000 year satellite?
To complement, not attempt to replace, the other answers, I would like to propose a difficulty I see nobody having mentioned so far, but which could potentially be very problematic over such long time …
- 7,350
22
votes
2
answers
3k
views
Did Sputnik 1 have attitude control?
The (currently only) answer to Why did Sputnik 1 have four antennas? discusses how Sputnik 1 had four antennas in order to ensure that the Earth would never be in the null of any of its antennas.
Pea …
- 7,350