swath: IW1
Bperp (average): -46.30642374443279
Bpar (average): 51.30496885725829
swath: IW2
Bperp (average): -42.20110379377664
Bpar (average): 54.68612799692218
swath: IW3
Bperp (average): -38.68984561060764
Bpar (average): 57.17529100616804