swath: IW1
Bperp (average): 85.80050454503704
Bpar (average): -73.38617954852266
swath: IW2
Bperp (average): 79.69553235289781
Bpar (average): -79.89039733101109
swath: IW3
Bperp (average): 74.17640603223487
Bpar (average): -85.03081416237231