swath: IW1
Bperp (average): 87.65732536148187
Bpar (average): 2.1336605147115857
swath: IW2
Bperp (average): 88.47572660250049
Bpar (average): -5.094531011659488
swath: IW3
Bperp (average): 88.89942897494848
Bpar (average): -11.238238749642967