swath: IW1
Bperp (average): -188.14173571107906
Bpar (average): 90.95064888876881
swath: IW2
Bperp (average): -180.18002511826722
Bpar (average): 105.83506549792202
swath: IW3
Bperp (average): -172.56219762644457
Bpar (average): 117.83273871764366