swath: IW1
Bperp (average): -113.16601453028478
Bpar (average): 59.686157476886734
swath: IW2
Bperp (average): -107.85521097611581
Bpar (average): 68.54704323582874
swath: IW3
Bperp (average): -102.75395816706337
Bpar (average): 75.55532153806655