Choke Ring Antenna Calibrations Pictured above from left to right are antennas from Ashtech, Trimble, and Allen Osborne & Associates. With an increase in the number of companies offering a choke ring antenna, it is important that any differences... Read More
GPS Receiver and Antenna Testing Report for SuomiNet Mike Jackson, Chuck Meertens, Victoria Andreatta, Teresa Van Hove University NAVSTAR Consortium, Boulder, Colorado 1.0 Introduction SuomiNet is a university-based, real-time, national Global... Read More
At the 1995 UNAVCO Users Meeting (May 2 and 3), Working Group 3 (WG3) asked the facility to conduct tests to determine the effect of different antenna mounts on GPS baseline results. Especially the effect of mounting antennas low above the ground... Read More
An Improved GPS Geodetic Antenna F. Solheim, C. Alber, M. Exner, C. Rocken, C. Meertens, J. Johnson UNAVCO, POB 3000, Boulder, CO 80307 Signal reflected from the antenna environment mixes with the direct sky signal to induce error in GPS... Read More
The Role of Multipath in Antenna Height Tests at Table Mountain James Johnson, John Braun, Chris Rocken, Teresa VanHove UNAVCO July, 1995 Abstract In order to determine what effect the antenna height has on baseline horizontal and height... Read More
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