swath: IW1
Bperp (average): -25.97746920067515
Bpar (average): 39.2928262709821
swath: IW2
Bperp (average): -23.13708669509613
Bpar (average): 40.962989787768514
swath: IW3
Bperp (average): -20.76772299876852
Bpar (average): 42.1525907901229