.. UHDAS+CODAS documentation master file, created by sphinx-quickstart on Wed Jan  7 14:24:39 2009.
   You can adapt this file completely to your liking, but it should at least
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Heading error causes cross-track errors
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.. toctree::
   :maxdepth: 2


This link shows the effect of rotation (`heading error <../../../edit_doc/phase/phase.html>`_)  on the ocean velocities.  An error  of 4 degrees
is enough to swing all the ocean velocities from port side to 
starboard side.


The next two pictures show the real ocean.  But are those
swings of ocean velocity from port to starboard real? or 
are they caused by a heading error?  An error of 1 degree would
be enough to do this, and it is essentially in the cross-track direction...


.. image:: os75bb_vect.png
   :alt: ADCP data (vector plot): eddies? or heading error?
   :scale: 50
 

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.. image:: os75bb_cont.png
   :alt: ADCP data (contour plot): eddies? or heading error?
   :scale: 50