0

TinyGPS++ give many output parameters. Where can I find explanation what do all output parameters mean? I don't understand what is the meaning of the following parameters:

Course Speed Card Distance Course Car

enter image description here

UPD

2365 is distance to London

wnw is the direction to London: https://en.wikipedia.org/wiki/Points_of_the_compass#Compass_point_names

0.00 - Vertical speed?

0.06 - Horizontal speed?

294.06 - ???

1

As you can see when you look at the source code of the FullExample.ino that is part of the TinyGPS++ library, the values you marked are:

  1. Course Speed Card*: The current speed (in km/h), course (in degrees) and cardinal course (which is the course translated to a cardinal direction on a compass, i.e. N,S,E,W, NE, NNW, etc.) of the GPS receiver (i.e. you).

  2. Distance Course Card**: The distance (in km) and course and cardinal course to some location or waypoint (London in this example).

After the information you added in your edit, this means the following:

  • 0.00 is your current course over ground (i.e. due North)
  • 0.06 is current current speed over ground (i.e. as good as stationary)
  • N is your current cardinal course
  • 2365 is the distance to London (km)
  • 294.06 is the bearing to London from your location
  • WNW is the cardinal bearing to London

* this is also known as SOG (Speed Over Ground) and COG (Course Over Ground, which is used in (aero)nautical navigation) or Bearing.

** this is also known as DTG and CTS (Distance to Go and Course to Steer) when navigating to a GPS waypoint.

| improve this answer | |
  • Thank you! The only thing I don't understand is why my GPS module is always moving to North and current course over ground is always 0. My GPS module doesn't move at all, so I understand that variable slow speed 0.06 is due to some errors. In this case the course and direction supposed to change randomly, but they are remain constant: 0.00 and N. – max5555 May 22 at 13:23
  • It might be your GPS module is only able to calculate a course if it moves more than a certain distance/speed. What I have seen from various GPS systems, this is normal behaviour. – StarCat May 22 at 14:14

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.