swath: IW1
Bperp (average): -83.35703360491236
Bpar (average): 30.082415592693092
swath: IW2
Bperp (average): -80.54080645327397
Bpar (average): 36.792538502919584
swath: IW3
Bperp (average): -77.79938212471714
Bpar (average): 42.211075170439926