GPS "I want to know it all" page
| The first step in Mission Planning is to see when enough satellites are available to achieve survey grade accuracy. Ashtech's Mission Planning module reads a site location file for latitude and longitude of the area. The next step is to load a current almanac and look at the Positional Dilution of Precision graph for the desired day. (Step by step instructions are being created.) |
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How to identify an almanac file |
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Download an almanac
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From the Ashtech website |
From U of Iowa FSG ftp site | Instructions to download from the Z-Xtreme receiver |
Find the Julian date for any day, month, year.
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