swath: IW1
Bperp (average): -73.61440168450251
Bpar (average): 99.8016942462661
swath: IW2
Bperp (average): -65.95275254996618
Bpar (average): 105.14200826488344
swath: IW3
Bperp (average): -59.4628650833128
Bpar (average): 109.07854094916115