swath: IW1
Bperp (average): 69.43404067517575
Bpar (average): -45.56748481267582
swath: IW2
Bperp (average): 65.66679291791125
Bpar (average): -51.189157653526514
swath: IW3
Bperp (average): 62.136767380313046
Bpar (average): -55.83764832109346