Russian documentation pertaining to the GLONASS navigational signals can be downloaded from here. Read More

GPS Data Collection Methods Various methods are used to collect high precision differential GPS data. The particular method used depends on several factors, including survey objectives, desired precision, available equipment, and field logistics.... Read More

UNAVCO Resources: Engineering How-tos Note that the some of the equipment addressed in the how-tos below is no longer supported by UNAVCO. GPS Receivers and Related Software Trimble NetRS - How to set up and take care of the UNAVCO NetRS campaign... Read More