UNAVCO Names Septentrio Preferred Vendor for GNSS Reference Stations
September 16, 2015
UNAVCO has selected Septentrio to be the preferred vendor of next-generation GNSS reference stations for the Geodesy Advancing […]
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UNAVCO has selected Septentrio to be the preferred vendor of next-generation GNSS reference stations for the Geodesy Advancing […]
By Eric Gakstatter
When I think back a few years ago about INTERGEO and compare notes to what I see today, two major technologies standout in my mind: UAVs (of course!) and inexpensive RTK GNSS receivers.
Spirent Communications has entered into a strategic partnership with Nottingham Scientific Limited (NSL) to enable the detection, characterization […]
CHC Navigation has launched a new UAV Ground Control (UAV GC) and post-processing kit for high-precision UAV systems. This […]
Three years ago, engineering survey company G & C Sadlier Design was engaged to perform a route selection and centerline […]
The Kenya Department of Surveys has acquired eight Spectra Precision Focus 30 total stations and an additional eight Epoch 50 […]
Understanding and Using GNSS MultipathTelltale signs of multipath are the fluctuations in the signal-to-noise ratios (SNRs) reported by some GNSS receivers. In this month’s column, the authors look at how an analysis of SNR values can be used to map the multipath environment surrounding an antenna so that models of multipath can be constructed to further minimize its effect. Also, although an annoyance for most GNSS users, it turns out that multipath has its positive points.
Raytheon Co. has won a $61 million U.S. Air Force contract from the GPS Wing to complete the development and certification of next-generation GPS receivers.
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