swath: IW1
Bperp (average): -72.74131920566217
Bpar (average): 7.5427802357817475
swath: IW2
Bperp (average): -71.84095574956386
Bpar (average): 13.383230317720104
swath: IW3
Bperp (average): -70.6799986511839
Bpar (average): 18.20424369289739