NMEA Analyzer

Install (Python3)

python3 -m venv nmea
source ./nmea/bin/activate
pip install nmeaanalyzer

It will install pynmea2, six, cycler, pyparsing, python-dateutil, numpy, pytz, kiwisolver, matplotlib, nmeaanalyzer.

Use

• Parse NMEA file to sqlite database

   nmeaparse test.nmea
  

  It will create a database file named test.nmea.db.

• Plot SNR

   nmeaplot test.nmea.db snr -c 0 -t 4
  

  -c : Constellations.

    * 0: All
    * 1: GPS
    * 2: Glonass
    * 3: Qzss
    * 4: Beidou
    * 5: Galileo 
    * 6: NavIC
  

  -t : Display TopN satellites averaged SNR

• Plot Speed

   nmeaplot test.nmea.db speed
  

Tips

• OSX issue

   RuntimeError: Python is not installed as a framework. The Mac OS X backend will not be able to function correctly if Python is not installed as a framework. See the Python documentation for more information on installing Python as a framework on Mac OS X. Please either reinstall Python as a framework, or try one of the other backends. If you are using (Ana)Conda please install python.app and replace the use of 'python' with 'pythonw'. See 'Working with Matplotlib on OSX' in the Matplotlib FAQ for more information.
  

  Fix: Add backend: TkAgg to the bottom of lib/python3.6/site-packages/matplotlib/mpl-data/matplotlibrc

• ModuleNotFoundError: No module named 'tkinter'

  Fix Ubuntu:

   sudo apt install python3-tk
  

  Fix CentOS:

   sudo yum install tkinter