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The Request Manual Download dialog appears.
The time the download starts can be specified in the module properties as well as a repeat interval, if the download has failed.
Each day, the Ephemeris Download module downloads the SP3 files in user-specified intervals. This file is named according to the convention ECF_.orb (for example, ecf11804_12.orb) in the ORB file folder specified in the settings of the General Settings category of properties. Ephemeris Download gets the ASCII SP3 file from the compressed file and converts it into an ORB file. When the SP3 file is downloaded from the Internet, it is initially compressed with GNU-zip. Tip - To ensure fast loading times of predicted orbit files, Trimble 4D Control Server makes sure that only predicted orbits which are currently needed are fed into the system.
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For redundancy purposes you can specify two different download URLs for predicted orbits.Īdditionally, you can specify a connections and target folders for downloading precise orbits as well as Differential Code Bias (DCB) files. Use the Ephemeris Download module to select the protocol for data transfer, and to provide the download address(es) and the target folder. The Ephemeris Download module helps you to automate the download of predicted orbit files from the Internet. For postprocessing purposes, rapid and final orbits may further improve the geometric modeling. Predicted Ultra Rapid Orbits are used in Trimble 4D Control Server to improve the geometric modeling and to determine the quality of orbits used in the system.