From FPI’s perspective DBCS, DMPA and DSL can all be considered “near GSE” since the MMS spin axis will deviate from ecliptic normal by no more than a few degrees.

For our Level 2 products, FPI transforms all data products to GSE, ignoring the differences (fractions of a degree) between DBCS, DMPA and DSL.

 

 

 

 

 


 

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