commanded              actual
22 00 00  66 00 00     21.441  65.887  includes refraction
22 00 00  66 30 00     21.441  66.387
22 30 00  66 30 00     21.943  66.387
60 00 00  66 00 00     59.453  65.886
99 00 00  66 00 00     98.460  65.887
99 00 00  36 00 00     98.419  35.860
99 00 00  16 00 00     98.410  15.887
22 00 00  36 00 00     21.413  35.860
22 00 00  16 00 00     21.408  15.876