swath: IW1
Bperp (average): 145.2653709498797
Bpar (average): -75.52947896433547
swath: IW2
Bperp (average): 138.87389347420486
Bpar (average): -86.98460630877167
swath: IW3
Bperp (average): 132.70611338870094
Bpar (average): -96.22434718393228