Should I add or subtract 6 degrees when taking azimuth from a map and setting it on a compass? When a commander tells you "You should walk towards 90° azimuth," should you add or subtract 6 degrees to ...

Abstract: Conventional drill-following measurement systems pass the downhole instrument bus through the drill hole in the drill collar. The effect of magnetic field generated by bus current on ...

Researchers in Sweden have developed a method to use LiDAR data to enable more precise tilt and azimuth modeling of solar PV and solar thermal capacity at a regional or substation level. The model ...