Provided is an information processing method including: acquiring position information associated with installation points of a plurality of observation apparatuses based on signals received from a GNSS satellite by the plurality of observation apparatuses that has executed simultaneous observation, and position information associated with known control points; and generating, by a processor, a check network based on a first automatic generation algorithm by using the position information associated with the installation points of the plurality of observation apparatuses acquired and the position information associated with the known control points.

Provided is an information processing method including: acquiring position information associated with installation points of a plurality of observation apparatuses based on signals received from a GNSS satellite by the plurality of observation apparatuses that has executed simultaneous observation, and position information associated with known control points; and generating, by a processor, a check network based on a first automatic generation algorithm by using the position information associated with the installation points of the plurality of observation apparatuses acquired and the position information associated with the known control points.

A precise line locator is presented that provides precise line location. The locator includes a housing; a wand attached to the housing, the wand including an array of low frequency antennas arranged along the wand, the array of low frequency antennas defining an electromagnetic locate axis of the line locator system; a real-time kinematic (RTK) Global Navigation Satellite (GNSS) antenna attached to the housing; a user interface positioned in the housing; and a processing circuit coupled to the array of low frequency antennas, the RTK GNSS antenna, and the user interface, wherein the underground line locator determines locate data of the underground line based on signals from the array of low frequency antennas and determines a precise position of the underground line locator from the RTK GNSS antenna.

A precise line locator is presented that provides precise line location. The locator includes a housing; a wand attached to the housing, the wand including an array of low frequency antennas arranged along the wand, the array of low frequency antennas defining an electromagnetic locate axis of the line locator system; a real-time kinematic (RTK) Global Navigation Satellite (GNSS) antenna attached to the housing; a user interface positioned in the housing; and a processing circuit coupled to the array of low frequency antennas, the RTK GNSS antenna, and the user interface, wherein the underground line locator determines locate data of the underground line based on signals from the array of low frequency antennas and determines a precise position of the underground line locator from the RTK GNSS antenna.

A signal receiving equipment includes a reception unit configured to receive signals from a GNSS satellite, a first selection unit configured to select a plurality of signals from among the signals received by the reception unit using a preset first parameter, a first positioning unit configured to perform at least positioning of a location by code-based positioning using the plurality of signals selected by the first selection unit, a second selection unit configured to select a plurality of signals from among the signals received by the reception unit using a preset second parameter, and a second positioning unit configured to perform positioning of a location and time synchronization by carrier-phase-based positioning using the plurality of signals selected by the second selection unit, with coordinates indicated by the location positioned by the first positioning unit as initial coordinates.

Described are methods, systems, and devices for determining position using Differential Global Navigation Satellite (DGNSS) measurements. Techniques described herein involve taking carrier phase measurements at a reference station or other GNSS receiver at a known location, and combining the carrier phase measurements with pseudorange measurements taken at the reference station to resolve carrier phase ambiguity and to, in combination with pseudorange measurements taken at a mobile device, obtain a differentially corrected measurement that can be used to estimate a position of the mobile device. The differentially corrected measurement can be a double differential measurement based on signals from a pair of GNSS satellites.

A method and associated system are provided for determining a yaw heading (θ.sub.heading) of a wind turbine, the wind turbine having a tower and a nacelle that includes a machine head and rotor at a top thereof. The method includes configuring a single rover receiver of a global navigation satellite system (GNSS) at a fixed position relative to the nacelle. A GNSS geographic location of a tower top pivot point (TPP) of the wind turbine is determined, as well as an angular offset of the rover receiver (β.sub.rover) relative to a centerline axis of the nacelle. Based on the GNSS geo-location of the TPP and a GNSS geo-location of the rover receiver, an angular vector () relative to North of a line between the TPP and the rover receiver is determined. The yaw heading (θ.sub.heading) is computed from a difference between the angle () and the angular offset (β.sub.rover) of the rover receiver.

A system and method for determining the location of a vehicle when GNSS signals are not available use triangulation between one or two radio transmitters and, respectively, two or one radio receivers mounted on the vehicle. The distance between each radio transmitter and/or each radio receiver can be determined according a phase difference between received radio signals. The radio signals can have the geographical location of the radio transmitter included therein. Utilizing the demodulated geographical location of each radio transmitter and the distance between the radio transmitter and each radio receiver, triangulation can be used to determine the geographical location of the vehicle.

A system and method for determining the location of a vehicle when GNSS signals are not available use triangulation between one or two radio transmitters and, respectively, two or one radio receivers mounted on the vehicle. The distance between each radio transmitter and/or each radio receiver can be determined according a phase difference between received radio signals. The radio signals can have the geographical location of the radio transmitter included therein. Utilizing the demodulated geographical location of each radio transmitter and the distance between the radio transmitter and each radio receiver, triangulation can be used to determine the geographical location of the vehicle.

A GNSS data collection system includes a pole mounted GNSS receiver and inclination sensors. The range pole has an adjustable length and an integrated electronic measurement device to capture and provide length data. A data collection module provides a data collection graphical user interface (GUI) visible on a hand-held data collector computer. The data collector computer is communicably coupled to the GNSS receiver and/or the electronic measurement device and receives three-dimensional location data, the length data, and inclination data for the range pole in real-time. The inclination data and height of the range pole are used to calculate and display horizontal distance and direction to level the GNSS receiver.