Minimal Detectable Biases of Cross-Correlated GPS Observations

In this article, analytic expressions are given for the minimal detectable biases (MDBs) of dual-frequency cross-correlated global positioning system (GPS) single difference code and carrier observations. They are given for three different short baseline models. (Short here implies that orbital and atmospheric uncertainties are assumed absent.) A comparison is made with the expressions for the MDBs of non-cross-correlating receivers. Finally, in order to get a better understanding of them, MDBs are visualized as a function of the parameters on which they depend, such as the number ob tracked satellites and the number of observation epochs. ? 2000 John Wiley & Sons, Inc.