swath: IW1
Bperp (average): -89.8023693139985
Bpar (average): 50.32984303569008
swath: IW2
Bperp (average): -85.43961663728051
Bpar (average): 57.36557452358889
swath: IW3
Bperp (average): -81.3630800938112
Bpar (average): 62.983074883251646