swath: IW1
Bperp (average): -177.38950292653422
Bpar (average): 164.1092353244657
swath: IW2
Bperp (average): -164.44415788374297
Bpar (average): 177.44622515896268
swath: IW3
Bperp (average): -153.14856509986421
Bpar (average): 187.7105629221594