swath: IW1
Bperp (average): -136.625168013999
Bpar (average): 142.2323452471204
swath: IW2
Bperp (average): -124.8483151470278
Bpar (average): 152.65224687331474
swath: IW3
Bperp (average): -114.36971289449647
Bpar (average): 160.63817040670602