10Hz GPS receiver in CPN - smooth moving

[transmitterdan]

Originally Posted by Douwe Fokkema

A remark on the smoothing function. Generally it works nice when sailing. If you are moored however, and due to GPS inaccuracies there is a small SOG of say 1 kn turning around in circles, the average SOG will be 1 kn. This is because the averaging works on a scalar basis. The absolute value of the SOG is averaged, not taking the direction into account. It would be nicer to use a vector average, taking also the direction of COG into account. In that case the average in this example would be zero.

O does not take any absolute value to get SOG. The NMEA data stream already contains SOG as a scalar. If there is an NMEA message containing a speed vector let me know. But a scalar speed from one message and course angle from another message does not a vector make.

[Baikal]

I'll raise the topic!
The actual problem with the delay in the course change and the smooth movement of the boat position!
I would like to highlight support for GNSS rate 5-10HZ in the future