(Version 2.0)

This program can graphically show elevations and azimuths of all GPS satellites, which can be viewed during a certain time period at a certain position. In addition, the number of visible satellites and PDOP, HDOP, and VDOP values are also plotted. The input of the program is a navigation file of RINEX format plus a concerned time period and coordinates in WGS-84 of the concerned position.

Suqin LU

1.9 MB

(Version 1.0)

The CST program can make coordinate transformation between any two coordinate systems of the WGS-84 Coordinate System (x,y,z), the geodetic Ellipsoidal Coordinates System (latitude, longtitude, height) and a Local Geodetic Coordinate System (north, east, height).

Suqin LU

1.8 MB

(Version 8.0)

The MPP program (version 8) is an implementation of the new RobustPositioning method and the techniques detailed in the dissertation Theory of Carrier Adjusted DGPS Positioning Approach and Some Experimental Results and developed in the MGP Section of TU Delft for the use at a GPS mobile station. Its input is GPS data of RINEX format and it can be used for stand-alone GPS positioning or differential GPS (DGPS) positioning. In the case of stand-alone positioning, the input can be single or dual frequency code observations. Whereas in the case of DGPS positioning, the input observation type(s) can be single/dual frequency code observations or single/dual frequency code and carrier observations. The program displays graphically north, east, and height positioning components and the PDOP value as well, and it can perform quality control in the processing of data. In addition, one can choose different dynamic models to model the dynamic behaviors of clock biases of receivers and mobile positions, so as to improve the positioning processing. In the website of the RobustPositioning method, one can find many test results.

Xinxiang JIN

3.9 MB

(Version 6.6)

The GMP program is an improved implementation of the techniques developed in the dissertation Theory of Carrier Adjusted DGPS Positioning Approach and Some Experimental Results in MGP of TU Delft for the use at a GPS reference station. It can be used for the following purposes: 1) generation of differential GPS corrections; 2) performance of quality control; 3) deternimation of the relationship between the accuracy of code observations and the satellite elevation; 4) analysis of ionosphere-delays, biases in code observations, and stabilities of receiver clocks.

The input is GPS data in RINEX format collected at a reference station. Its main features are:

  1. a sophisticated algorithm is used to integrate code and carrier observations in data processing;
  2. different stochastic parameters can be chosen to model the dynamic behaviour of differential corrections, ionosphere delays, and code biases;
  3. the so-called DIA real-time quality control procedure is used;
  4. biases like multipath errors and instrument delays in code observations are explicitly accounted for.
Xinxiang JIN

2.5 MB