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Clinton County, Michigan | 2.5 cm + 2 ppm is relatively high for modern receivers. Especially for having a base in the same field. Those numbers might be from a satellite or VRS type correction? The ppm is a scale factor for how much the signal degrades over distance from the base station.
Many new GNSS receivers that are using all constellations have started putting 8mm+1ppm horizontal/15mm+1ppm vertical on their spec sheet. As mx270a proved there are some receivers that are even more stable than those specs in real world observations.
Edited by ncook 12/11/2023 16:26
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RTK vertical accuracy for tiling
