swath: IW1
Bperp (average): 133.57290791456822
Bpar (average): -26.02032139520057
swath: IW2
Bperp (average): 131.5205876405911
Bpar (average): -36.89273176326561
swath: IW3
Bperp (average): 129.0649620931131
Bpar (average): -45.78555905645836