I'is important to know position of the roads in a construction site.
Especially in an excavation quarry.
Especially if the change quickly.
Especially if it is a quite "vertical"site.
In the Apuanian Alps, North …
Surveying activities of unstable material on high slopes is better done from above and with a drone rather than walking on it.
A "ravaneto", in the Apuanian Alps quarries (where …
Precise GNSS positioning needs a baseline to be measured.
You have to fix two receivers in place in order to define a 3D vector.
RTK mode is extremely fast, even if less …
You can use a Total Station placing it on a point measured with GNSS receiver, in nRTK mode.
In this case you have a 2D precision of around 2/3 cm.
Or, better …
Using two GNSS receivers for a RTK base-rover you need:
a base GNSS receiver;
a rover GNSS receiver;
pole, stands and tripods.
In order to avoid settings issues you may want …
I firmly believe that drone aerial photogrammetry is, at the moment, the most effective technique, considering how much it costs related to the benefits it provides, for the survey of …