swath: IW1
Bperp (average): 162.0236443008468
Bpar (average): -19.87132658298547
swath: IW2
Bperp (average): 159.86749886491407
Bpar (average): -32.849627604440066
swath: IW3
Bperp (average): 157.2564843329783
Bpar (average): -43.619095717583576