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BRDC navigation file

https://forum.earthdata.nasa.gov/viewtopic.php?t=388

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BRDC navigation file

Posted: Fri Feb 14, 2020 12:13 pm America/New_York
by EarthdataForumContributor
What is the BRDC (and Institut für Angewandte Geodaesie) navigation file?

Re: BRDC navigation file

Posted: Fri Feb 14, 2020 12:54 pm America/New_York
by CDDIS_support_Lori
The file https://cddis.gsfc.nasa.gov/archive/gnss/data/daily/ yyyy/ddd/yyn/brdcddd0.yyn.Z (yyyy is the 4-digit year, ddd is the three-digit day of year and yy is the two-digit year) is the daily broadcast ephemeris file. This file is a merge of the individual site navigation files into one, non-redundant file that can be utilized by users instead of the many individual navigation files. These files are also available in yearly subdirectories of https://cddis.nasa.gov/archive/gnss/data/daily/ yyyy/brdc/.
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