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Yesterday 5:45 pm  #1


Drift and Set Not Calculating in 12.7.16 (Navionics)

I can't work out why drift and set is not being calculated after selecting "Calculate Set and Drift" in the System options in All Settings.  I believe I have all the NMEA sentences needed to do the calculation:

$--VHW Water speed and heading
$--HDT Heading true
$--HDG Heading magnetic + deviation/variation
$--RMC GPS position, COG, SOG
$--VTG COG and SOG

I also don't see TWA, TWS or TWD values unless I select to calculate them.  I know I'm receiving the NMEA sentences $--MWV and $--MWD

What am I missing?
I'm running v12.7.15 for Navionics.

 

Last edited by jbranson (Yesterday 5:51 pm)

 

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