swath: IW1
Bperp (average): -192.04489038184468
Bpar (average): 180.40787964451854
swath: IW2
Bperp (average): -177.51412982948025
Bpar (average): 194.94132959406727
swath: IW3
Bperp (average): -164.72983679744618
Bpar (average): 206.13027850748523