swath: IW1
Bperp (average): 130.72770493535808
Bpar (average): -89.54544685409985
swath: IW2
Bperp (average): 123.04564871455695
Bpar (average): -99.72970878178992
swath: IW3
Bperp (average): 115.98247036955357
Bpar (average): -107.83715266899986