swath: IW1
Bperp (average): 73.58007532555267
Bpar (average): -17.746075924138292
swath: IW2
Bperp (average): 72.42389754600424
Bpar (average): -23.62326321395692
swath: IW3
Bperp (average): 71.2088747445035
Bpar (average): -28.48534041623978