swath: IW1
Bperp (average): -85.67838721781713
Bpar (average): 100.31993269521588
swath: IW2
Bperp (average): -77.41979349302166
Bpar (average): 106.81251302730819
swath: IW3
Bperp (average): -70.15919472618887
Bpar (average): 111.71955186408228