Continuous Mobile Laser Scanning
Combining Terrestrial Laser Scanning, Position and Orientation Systems and GPS receivers into a mobile mapping system enables effective mapping of large and complex terrain. The au...
Combining Terrestrial Laser Scanning, Position and Orientation Systems and GPS receivers into a mobile mapping system enables effective mapping of large and complex terrain. The au...
Subsidence of the earth's surface caused by underground mining can be monitored using terrestrial land-survey methods. However, applying these is difficult in hilly terrain and den...
Up to 70% of land in Japan is covered by forest. Since the second world war many forests have been planted with cedar and nurtured for their high productivity. However, forests ar...
An electromagnetic or sound signal hitting a surface may interact with it one of three ways: the signal may be reflected, absorbed or transmitted. Having once been reflected a sig...
GPS is good for perhaps 70% of surveying needs. Inertial Navigation is the forgotten friend of GPS. Traditionally complex and expensive, Inertial Navigation has become competitive,...
Excessive groundwater extraction in the Bandung Basin has led to rapid sinking of the water table and is hypothesised as the main cause of land subsidence. Periodical GPS surveys w...
Founded in 1983, NovAtel was originally a telecommunications company and since Initial Public Offering in 1997 has been a public company (NASDAQ: NGPS) entirely focused on GNSS and...
Since March 2001 the National Geodetic Survey (NGS) has operated the Online Positioning User Service (OPUS) to provide end-users with easy access to the US National Spatial Referen...
Copenhagen in Denmark has conducted an experiment in alternative driving and congestion charging using car tracking based on GPS. A main limitation of GPS is that quality depends o...
Lying in one of the most tectonically active zones in the Alpine-Himalayan belt, Iran frequently suffers from heavy and disastrous earthquakes. To monitor surface displacement and...
Is the moment coming when our GPS product survey will have to be renamed? Any new title should reflect the existence and use of GLONASS receivers, combined GLONASS/GPS receivers an...
Mobile mappers are a recent development and their introduction demonstrates the vitality of the surveying profession. A number of leading geomatics companies accepted our invitatio...
In 1998 the Government of India Department of Science & Technology (DST) launched a National GPS Programme for Earthquake Hazard Assessment. The recent major earthquakes in the...
In our July issue we published the first of two articles addressing the use of GPS in agricultural field measurement, particularly in relation to EU subsidy checks. In it the autho...
"Welcome to the future!" This was how Topcon greeted Intergeo visitors to their stand. It was impossible to overlook. So what is so special about that future? And how is...
"Welcome to the future!" This was how Topcon greeted Intergeo visitors to their stand. It was impossible to overlook. So what is so special about that future? And how is...
The collection of Ground Control Points (GCP) for block adjustment is a costly and time-consuming operation. Onboard GPS enables a reduction in the number of GCPs without loss of a...
The area of agricultural fields within the European Union (EU) are checked against claims to ensure that farmers receive the right amount of subsidies. This measure, stemming from...
Excessive groundwater extraction is probably the main factor causing land subsidence in urban areas of Indonesia. Decreases in groundwater level may reach 15 metres a year. Monitor...
Receiver position is calculated from the position of satellites and the distances to them. Distance is calculated from the time a radio signal travels between satellite and receive...
Do you have an interesting idea for an article in GIM International? We are always looking for the best news and views from the geomatics industry. If you are working with the most innovative technology, have performed a challenging survey or simply want to share your perspectives on the future, please send an email to our Head of Content, Wim van Wegen: wim.van.wegen@geomares.nl. He will be more than happy to explore ways of sharing your ideas with your peers throughout the geomatics world.
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