Figure 2: Scan of a typical survey paper sheet (station EFAN during the Etna June 2013 survey).

The sheet contains the following information: DOY (Day Of Year) of the measurement, the site name, the site code, the session start/end, the operators, the receiver type, the receiver serial number, the antenna type, the antenna serial number, the type of benchmark or set up, the measured instrumental height, the calculated ARP (Antenna Reference Point) height, and the GPS week.