swath: IW1
Bperp (average): -243.76677117096384
Bpar (average): 163.95655850815896
swath: IW2
Bperp (average): -229.46814051731744
Bpar (average): 182.64360337666173
swath: IW3
Bperp (average): -216.81786823139834
Bpar (average): 197.5633735037752