swath: IW1
Bperp (average): -136.83535483911342
Bpar (average): 82.16812640886383
swath: IW2
Bperp (average): -129.7582731349786
Bpar (average): 92.86690502135507
swath: IW3
Bperp (average): -123.18758843758366
Bpar (average): 101.38174450869727