swath: IW1
Bperp (average): 157.80190627612865
Bpar (average): -109.12205627345625
swath: IW2
Bperp (average): 148.58012136330723
Bpar (average): -121.34893024506694
swath: IW3
Bperp (average): 140.04665650939197
Bpar (average): -131.09612491257758