swath: IW1
Bperp (average): 143.71919259307242
Bpar (average): -67.57576970368156
swath: IW2
Bperp (average): 137.99662447153398
Bpar (average): -78.9463411127222
swath: IW3
Bperp (average): 132.40631169458982
Bpar (average): -88.1389883893084