Sometimes when I am using corrections from a base station, either my own, or an NTRIP service, I notice that some of the GPS and GLONASS satellites are not showing a grey correcrtions signal next to the primary signal. Is this normal, or does it indicate an error or issue somehow? It’s usually on one or more particular satellite. Thank you.
That is quite normal, especially on longer baseline, where the SNR on a given satellite is different from rover to base because of the different viewpoints.
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Or the base doesn’t see that satellite at all due to an obstruction (tree, building whatever)
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