swath: IW1
Bperp (average): 61.991481862268934
Bpar (average): -66.78475573064993
swath: IW2
Bperp (average): 56.55800211999781
Bpar (average): -71.47116067610395
swath: IW3
Bperp (average): 51.79202713693398
Bpar (average): -75.03834570325387