swath: IW1
Bperp (average): -77.67800495576186
Bpar (average): 39.33070305243928
swath: IW2
Bperp (average): -74.43533646200486
Bpar (average): 45.262305323416705
swath: IW3
Bperp (average): -71.50619131994881
Bpar (average): 49.92661264296064