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Results tagged with gps
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user 22234
Questions regarding the Global Positioning System's satellites and uses.
9
votes
Why are the GPS constellation satellites in such a high orbit?
This paper have a good treatment and explain of how multipath repeatability is important for solution quality and how such repeatability can be used to improve GPS solutions. … Also explains that the period is close to one Sidereal day: Improving the precision of high-rate GPS …
- 221
3
votes
Ground longitude/latitude under a satellite (cartesian coordinates) at a specfic epoch
.^2);
alt(ecuador)=d1(ecuador)-a;
And then you are ready and you have the ground position of the point were the GPS signal reaching the base station crosses the 300 km altitude. … If you want more accuracy and avoid calculating the XYZ coordinates of the GPS satellites, you can use the sp3 ephemeris files. They are easy to download from here. …
- 221