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SOG damping
I am using the u-blox GPS dongle and like its sensitivity, however when the speed over ground is calculated in op I get variances between 0,01 - 1,2knots ! even when staying static on land. 

Is there any way to set a damping so that only "real SOG" is send as NMEA or signalK message ?

PS: have in the meantime also found a related threat on the cruisersforum - beta tests and it seems that ocpn has changed SOG calculation in 4.6.1 from earlier versions. This may explain that I didnt notice this behaviour earlier.

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