swath: IW1
Bperp (average): -38.83198211377111
Bpar (average): 4.962877367473008
swath: IW2
Bperp (average): -38.913287650170645
Bpar (average): 8.199172131072087
swath: IW3
Bperp (average): -39.03551196786265
Bpar (average): 11.060130719153696