Using radar interferometry, a technique used to target displacements to the nearest centimetre, Effigis’ Earth Observation Team tried to determine whether the impact of the earthquake could be measured.
On May 23, 2015, the highest volcano in the Galapagos Islands, Wolf Volcano, erupted for the first time in 33 years. Using satellite imagery and radar interferometry, our team tried to determine whether the soil had moved specifically due to this eruption.
Most GNSS modules out there, designed for recreational use in everyday consumer devices, are GNSS-L1 modules. However, they do not necessarily offer the characteristics needed to establish the precise position of an object on the territory with an accuracy of just a few centimetres.
There are many risks inherent to each steps of a mine lifecycle, and they are all quite different from one another. How can we better manage and especially evaluate these risks?
Since the beginning of the new millennium, GPS professionals have impatiently been waiting for all new GPS signals to be fully deployed. What about the current state of the Global Navigation Satellite Systems?
Effigis is proud to take part, as a service provider, in the infrastructure surveys and inspections of poles in Bell Gigabit Fibe’s overhead network in anticipation of Bell’s Gigabit Fibe’s network in Toronto (Ontario, Canada).
It’s true that it does not easily spring to mind that the images captured by Earth observation satellites, nowadays with submetric spatial resolution at best, can produce displacement measurements with a precision measured in centimetres or millimetres, as the experts claim. But what exactly does this involve?