swath: IW1
Bperp (average): -72.03889563805825
Bpar (average): 28.523318513501124
swath: IW2
Bperp (average): -69.56127264639994
Bpar (average): 34.35140999147044
swath: IW3
Bperp (average): -67.12460408820873
Bpar (average): 39.10167870324877