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Basic usage instructions (from an email Andrew sent):

To get the source and build:
1) cvs co GPSTools
2) cd GPSTools
3) cvs co StingerNavPC
4) cd NoPi
5) make

Edit NoPi_Combos.cfg to tell the program what signal combinations you
want to process. There are notes on the format in the file.

Check NoPi_Defaults.cfg to that the default options are OK (use
"./NoPi --help" to list the command line options that are also used
in this file).

Edit piline.ini. You can provide data filename here or via the command
line. The only thing that must be correct here is the baseline. For
Melbourne, replace the current coordinates with:
  -4134306.107  2879067.395 -3898419.004    ; Melbourne
  -4134306.107  2879067.395 -3898419.004    ; Melbourne

Run ./NoPi with any command line options required. The double
difference results for each single combination can be found in the
diffs_combo_X.mtb file. These are Matlab loadable or use scripts in
this directory to generate results:
  python ./NoPiDI_Main.py ../NoPi
(Note this assumes you ran "NoPi" in the GPSTools/NoPi/ directory)

The plots can be viewed via web page found in:
  GPSTools/NoPi_Display/NoPiDI_Top.html.
Just click on the links to get the plots.

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Feature wishlist:
 - currently we only show the last firmware version on the web page.
   This can be confusing when we upgrade firmware in the middle of a
   T02 file.  It'd be great to show all firmware versions encountered.