Generalized partial fixing

GNSS position coasting

GNSS moving base positioning

Decoupled clock model with ambiguity datum fixing

Navigation-satellite tracking method and receiving station

Phase based measurement corrections

Seismic measurement system including GPS receivers

Positioning using a reference station

Method for processing radionavigation signals

Method for processing a set of signals of a global navigation satellite system with at least three carriers

Device for measuring a position of a mobile station

Transmitter-Receiver System

Estimation of probability of lambda failure through employment of lookup table

Ambiguity estimation of GNSS signals for three or more carriers

GNSS signal processing with clock difference modeling

Ionosphere modeling apparatus and methods

Portable navigational antenna system

Satellite differential positioning receiver using multiple base-rover antennas

Processing multi-GNSS data from mixed-type receivers

Fast decimeter-level GNSS positioning

Post-processed accuracy prediction for GNSS positioning

Distance dependant error mitigation in real-time kinematic (RTK) positioning

Distributed radio frequency ranging signal receiver for navigation or position determination

Navigation receiver and method for combined use of a standard RTK system and a global carrier-phase differential positioning system

REAL-TIME HIGH ACCURACY POSITION AND ORIENTATION SYSTEM

Survey device

Positioning apparatus

Assisted Seismic Measuring System Including GPS Receivers

Methods and apparatus for geometry extra-redundant almost fixed solutions

Assisted Seismic Measuring System Including GPS Receivers

Satellite Based Positioning

Partial search carrier-phase integer ambiguity resolution

Independent positioning device and independent positioning method

Phase ambiguity resolution method for a satellite based positioning system

Method of mobile radio positioning aided by single fan self-surveying laser transmitter

GNSS signal processing with frequency-dependent bias modeling

GNSS signal processing with partial fixing of ambiguities

Fast decimeter-level GNSS positioning

Mobile radio positioning aided by single fan laser

Relative position measurement system using satellite

System and method for providing assistance data within a location network

Method for using three GPS frequencies to resolve whole-cycle carrier-phase ambiguities

Estimate of relative position between navigation units

Carrier phase interger ambiguity resolution with multiple reference receivers

Automatic decorrelation and parameter tuning real-time kinematic method and apparatus

Multiple frequency antenna structures and methods for receiving navigation or ranging signals

Seismic measuring system including GPS receivers

System for autonomous vehicle navigation with carrier phase DGPS and laser-scanner augmentation

ASSISTED SEISMIC MEASURING SYSTEM INCLUDING GPS RECEIVERS

Assisted seismic measuring system including GPS receivers

Multiple-GNSS and FDMA high precision carrier-phase based positioning

Land-based local ranging signal methods and systems

Satellite and local system position determination

Navigation processor, a system comprising such a navigation processor and a method of controlling an underwater system by such a navigation processor

Carrier track loop for GNSS derived attitude

Method for increasing the reliability of position information when transitioning from a regional, wide-area, or global carrier-phase differential navigation (WADGPS) to a local real-time kinematic (RTK) navigation system

Troposphere corrections for ground based positioning systems

Method for augmenting radio positioning system using single fan laser

Carrier phase GPS positioning device and method

Satellite and local system position determination

Apparatus for transmitting positioning signal, positioning system including the apparatus, and system for transmitting positioning signal

Multiple antenna multi-frequency measurement system

Combination laser detector and global navigation satellite receiver system

Land-based local ranging signal methods and systems

GPS reference system providing synthetic reference phases for controlling accuracy of high integrity positions

Seismic measuring system including GPS receivers

GPSR multi-frequency measuring device, corrective method and program for ionospheric delay

GNSS line bias measurement system and method

System and method for interactive selection and determination of agricultural vehicle guide paths offset from each other with varying curvature along their length

Method and system for real time navigation using satellite transmitted three-carrier radio signals and ionospheric corrections

Method for combined use of a local positioning system, a local RTK system, and a regional, wide-area, or global carrier-phase positioning system

Self surveying laser transmitter

System for autonomous vehicle navigation with carrier phase DGPS and laser-scanner augmentation

Fault-tolerant system, apparatus and method

Synchronizing ranging signals in an asynchronous ranging or position system

Asynchronous local position determination system and method

Land-based transmitter position determination

Land-based local ranging signal methods and systems

Analog decorrelation of ranging signals

Method for positioning using GPS in a restrictive coverage environment

Estimation and resolution of carrier wave ambiguities in a position navigation system

Method for combined use of local positioning system and a global positioning system

Automatic decorrelation and parameter tuning real-time kinematic method and apparatus

Estimation and resolution of carrier wave ambiguities in a position navigation system

Method for backup dual-frequency navigation during brief periods when measurement data is unavailable on one of two frequencies

Methods and apparatuses of estimating the position of a mobile user in a system of satellite differential navigation

Method for combined use of a local RTK system and a regional, wide-area, or global carrier-phase positioning system

Fault-tolerant system, apparatus and method

Ambiguity estimation of GNSS signals for three or more carriers

RTK positioning system and positioning method therefor

Method for using three GPS frequencies to resolve carrier-phase integer ambiguities

Low cost multisensor high precision positioning and data integrated method and system thereof

Method of improving the determination of the attitude of a vehicle with the aid of satellite radionavigation signals

Seismic measuring system including GPS receivers

Enhanced rapid real time kinematics determination method and apparatus

Enhanced real time kinematics determination method and apparatus

Hardware component configuration for autonomous control of powered earth-moving vehicles

BeiDou navigation satellite B1C signal capturing method, and related apparatus

Integrity analysis method based on kinematic-to-kinematic relative positioning scenario

GBAS integrity performance evaluation method based on pseudorange error distribution model

High integrity partial almost-fix solution

Rapid determination of an unknown position

Differential vector phase locked loop GPS reception method

High integrity partial almost fix solution