Patent ID: 7482974
Filing Date: 2009-01-27
Classification: G01S

Abstract:
1. An RTK-GPS survey system for performing an RTK-GPS survey comprising: a server in an IP-VPN communication network for establishing communications between a plurality of satellite positioning devices as base stations and a plurality of satellite positioning devices as rover stations, the base station transmitting correction data, the rover station receiving the correction data, wherein: the satellite positioning devices each includes at least a satellite positioning unit for receiving radio waves from artificial satellites, a communication unit for performing communications between the satellite positioning devices, and a control unit for controlling the satellite positioning unit and the communication unit; the control unit of the rover station is capable of receiving electromagnetic interference information registered in the control unit of the base stations, creates a sky map on the basis of the electromagnetic interference information, by contrasting the sky map created by itself with the sky map transmitted from the base station, and is able to select by pressing a designation button ( wherein an operation program, which calculates a satellite number passing a noise interference area and a time zone thereof, is incorporated in the control unit of the rover station, and radio waves from the artificial satellite passing the noise interference area are set not to be used in the RTK survey.