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Cedar Rapids, Iowa | Generally, yes, a shorter time frame means less drift - until you get down to the level where you have some random noise in the data that is always there.
Trying to rate accuracy on GPS receivers is tricky. I have captured some actual data to do testing on this, but it's a little difficult to explain.
http://lefebure.com/articles/static-accuracy-testing-2022/
The very first test on that page is this:
http://lefebure.com/articles/static-accuracy-testing-2022/adding-ga...
Short term vertical drift distribution - movement over 15 minutes - 50% of the data was less than 0.20" of movement. 99.7% of the time there was less than 0.63" of movement. | |
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RTK vertical accuracy for tiling
