swath: IW1
Bperp (average): 279.56741023580463
Bpar (average): -198.58107733743725
swath: IW2
Bperp (average): 262.4449626623641
Bpar (average): -220.3871611522464
swath: IW3
Bperp (average): 246.7940612450481
Bpar (average): -237.69102647701203