swath: IW1
Bperp (average): -116.64537254764093
Bpar (average): 45.13412507211972
swath: IW2
Bperp (average): -112.72778649996701
Bpar (average): 54.50709109931906
swath: IW3
Bperp (average): -108.91847886774396
Bpar (average): 62.1982820693803