swath: IW1
Bperp (average): 81.84127562134127
Bpar (average): -40.204715215505665
swath: IW2
Bperp (average): 78.26442490270338
Bpar (average): -46.498958710477716
swath: IW3
Bperp (average): 75.05726462443877
Bpar (average): -51.61291611221528