GNSS Antenna Phase Center Stablity Test - TPSPG_A1+GP Background Topcon TPSPG_A1+GP Campaign Height Measurement Bias Problems were reported by Bob King, Adrian Borsa and other investigators regarding height estimate biases introduced when using... Read More

The following power tests were conducted on GPS and GNSS antennas using an Agilent N6705 DC Power Analyzer. The following tests show short, 1-minute averages of measured power consumption. The power use of each antenna was tested at two separate... Read More

This article provides a summary of UNAVCO's comparison of the current state-of-the art hardware from 5 major manufacturers. It will include comparisons of receiver data quality in the following areas: double difference phase residual RMS; qualitative... Read More

Users' Manual The Global Mapper Users' Manual is available here. YouTube Channel Global Mapper has an extensive YouTube channel featuring many useful webinars and how-to's. You may find it useful to start with the following webinars: Getting Started... Read More

BASIC USE OF THE TRIMBLE NETR8   Table of Contents   1. Configuring the Receiver's Network Settings 2. Connecting to the netR8 via the Web Interface 3. Configuring the NetR8 for operation 4. Creating and Uploading a configuration file 5.... Read More

Quickstart for the Trimble 4700 and 4800 Receiver If files need to be deleted, the preferred method is to use the GPLoad download program or the TSC1 controller, after the files have been downloaded and backed up. The receiver files can also be... Read More