swath: IW1
Bperp (average): -119.34305059513274
Bpar (average): 113.00229881546255
swath: IW2
Bperp (average): -110.2180839661128
Bpar (average): 122.26702656836862
swath: IW3
Bperp (average): -101.59272311565427
Bpar (average): 129.47346142867897