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Add UNAVCO FTP link for RINEX navigation data files

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Carles Fernandez 2018-11-26 23:08:05 +01:00
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src/utils/rinex2assist/README.md
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@ -32,7 +32,7 @@ The building requires two extra dependencies: the Boost Iostreams library and th
The usage is as follows:
```
$ rinex2assist /path/to/RINEX_nav_file
$ rinex2assist /path/to/RINEX_nav_file
```
The argument is mandatory (the name of the RINEX navigation file). The name `gps_ephemeris.xml` is given to the output if GPS NAV data is fould. If the RINEX file contains Galileo data, the corresponding `gal_ephemeris.xml` file will be generated. The program is also able to extract parameters of the UTC and the Ionospheric models from the RINEX header, if available. They will be called `gps_utc_model.xml`, `gps_iono.xml`, `gal_utc_model.xml` and `gal_iono.xml`.
@ -40,8 +40,9 @@ The argument is mandatory (the name of the RINEX navigation file). The name `gps
There are some servers available for downloading recent RINEX navigation files. For instance:
* NASA: [ftp://cddis.gsfc.nasa.gov/pub/gnss/data/hourly/](ftp://gssc.esa.int/gnss/data/hourly/)
* ESA: [ftp://gssc.esa.int/gnss/data/hourly/](ftp://gssc.esa.int/gnss/data/hourly/)
* UNAVCO: [ftp://data-out.unavco.org/pub/hourly/rinex/](ftp://data-out.unavco.org/pub/hourly/rinex/)
Just make sure to pick up a [station near you](http://www.igs.org/network).
Just make sure to pick up a recent file from a [station near you](http://www.igs.org/network).
The program accepts either versions 2.xx or 3.xx for the RINEX navigation data file, as well as compressed files (ending in `.gz` or `.Z`).