swath: IW1
Bperp (average): 166.42503254930298
Bpar (average): -33.29438890805128
swath: IW2
Bperp (average): 163.27148742986697
Bpar (average): -46.65397663641165
swath: IW3
Bperp (average): 159.76527435855985
Bpar (average): -57.650676724724335