Static speed test
This test simply compares the measured speed outputs from the test systems while the test vehicle was parked on a clear part of the track. Obviously, in the static case the speed is known to be exactly zero, so the error is very simple to calculate! Static speed tests are the best way to access the random noise on the speed signal - although it should be stated that a low noise speed signal doesn’t necessarily mean the speed is more accurate. Accuracy is assessed separately within this report.
Note that the differential corrections do not affect the speed accuracy in any way (they only improve positional accuracy), so separate results have not been included for the DL2 with DGPS.