surveying iii (topographic and geodetic surveys) - Modern Prepper

Table 5-3. GPS-S Design, Geometry, Connection, and Observing Criteria(continued)e. Location Feasibility and Field Reconnaissance. A good advance reconnaissance of all markswithin the project is crucial to the expedient and successful completion of a GPS-S. The sitereconnaissance should be completed before the survey is started. The surveyor should also prepare a sitesketch and a brief description on how to reach the point since the individual performing the sitereconnaissance may not be the same surveyor that returns to the station. The azimuths and verticalangles should be determined using a compass and inclinometer and recorded by the individualperforming the site reconnaissance. Because obstructions such as trees and buildings cause the GPSsignal transmitted from the GPS satellite to be blocked, it is also important to know the type ofEN0593 5-18