Precise Point Positioning from Combined GNSS

Fugro Marinestar G4+ PPP-RTK Developments
Currently there are four global navigation satellite systems (GNSSs) available: GPS, Glonass, BeiDou and Galileo. The satellites of these systems are used for positioning, and the accuracy is greatly improved if precise satellite orbit, clock and uncalibrated phase delay (UPD) corrections are available when using the precise point positioning (PPP) technique. Fugro operates a worldwide network of reference stations capable of tracking GPS, Glonass, BeiDou and Galileo systems. This network is used to calculate precise satellite orbit and clock corrections of all four constellations in real time for maritime applications. The corrections are broadcast to users by eight geostationary L-band... (read more)
2017-02-06 10:20:00

Small Company, Big Ambitions

GIM Interviews Paul Bosman, CEO, CycloMedia Technology BV
CycloMedia Technology BV is a privately owned company based in Waardenburg, The Netherlands. The company exploits an in-house developed camera system for capturing urbanised areas from the road. In January 2006 Paul Bosman became CEO. He talked to us about his many ambitious plans. What are the main products and services offered by CycloMedia? Since the early nineties CycloMedia has built up experience in systematic mapping of urbanised areas on the basis of 360-degree images (so-called cycloramas). These images are captured from the road and at street level using a car as carrier of the camera system, including positioning and... (read more)
2007-02-23 12:00:00

Good Governance, Good Geo-info

Essential Role for GI at all Levels
Where just two decades ago spatial data was mainly carried on paper maps, map and three-dimensional topographic data is now accessible via Google Earth. Where accurate positioning was once the professional pride of highly trained geodesists, we now see such services provided by GPS-based consumer products. This revolution in technological developments and demand for information implies the need for continuous upgrading of professionals: ‘lifelong learning’. Lifelong learning is relevant not only for the professionals concerned but also for their organisations. These are in a permanent state of flux in order to adjust to their continually changing envir-onment. This may flow... (read more)
2006-09-21 12:00:00

Difference between Theory and Practice

GIM Interviews Dr Vladimir Gershenzon, General Director, ScanEx
The third international conference on "Earth from Space" took place from 4th to 6th December in Moscow, Russia, with the theme "Most Effective Solutions". This meeting, accompanied by a small exhibition, aims to provide a forum for the exchange of experience in the practical use of satellite imagery for a broad spectrum of applications. ScanEx, headed by Dr Vladimir Gershenzon, is the main inspiration behind the conference. We interviewed him there.<P> When, why and how was ScanEx established, and what are your main products and services?   After my graduation in 1980 I worked for several years at different institutes... (read more)
2008-02-19 12:00:00

High-level Political Support Needed

GSDI and Land Administration within Europe
Administrative reform within Europe has had a tremendous impact on land administration all over the continent. Geo-Spatial Data Infrastructures (GSDI) may bring further improvements. The authors review land policy, land administration and the role of land information within society, and call for high-level political moves towards information sharing. Examples of administrative reforms within Europe are restoration of the primacy of politics, reduction in ministerial tasking to core business, and improving the output of public institutions by distance steering, decentralisation and de-concentration of institutions. Other methods of improving output include quality assurance programmes, special service projects, restoring democracy and reestablishment of... (read more)
2005-07-14 12:00:00

An Awakening in India: Interview with Bharat Lohani

Since the July 2014 issue of GIM International is dedicated to Lidar point clouds, it should come as no surprise that it contains an interview with a leading expert on this exciting aspect of the geomatics spectrum. Dr Bharat Lohani, who is leading the Lidar teaching and research group at the renowned Indian institute of IIT Kanpur and is a member of the magazine’s editorial board, was a logical candidate. In this interview he talks about India's role in the industry, his company Geokno, developments within Lidar technology and the geomatics programme at IIT Kanpur.   (By Wim van Wegen... (read more)
2014-07-28 09:58:29

Geo-ethics Requires Prudence with Private Data

GIM International interviews Professor Yola Georgiadou
In today’s datafying world, we continuously leave – unintentionally – digital traces of our daily lives. These traces can reveal a lot about us, our beliefs and our actions to parties who are not the intended recipients of such information. In May this year, Professor Yola Georgiadou held a compelling keynote speech during the FIG Working Week in Helsinki. She called for prudent use of data acquired during the rapid land surveying of developing countries and for action to protect citizens’ privacy. 'GIM International' talked to her about the topic that has become so dear to her: ‘geo-ethics’. What actually is... (read more)
2017-10-05 11:42:20

Geomatics and Surveying in Support of Land Administration

Implementing Tenure Security for All
Today’s geospatial technology means that land administration systems can increasingly be implemented for the benefit of all. It is now possible to conceive approaches to capturing the unrecorded geometry of boundaries for the billions of unrecognised land interests or spatial units. In addition, new approaches are becoming apparent for the maintenance of collected data. Examples from the field show that we’re well on the way to responding to the challenge. From a geomatics and geoscience perspective, many tools are already available to support development, but further steps are needed to operationalise them at scale. Read on for an article investigating a... (read more)
2017-03-07 11:14:08

3D Geo GmbH Potsdam

A spin-off from the renowned Hasso Plattner Institute for Software Systems Technology, 3D Geo GmbH develops and sells solutions for 3D visualisation of cities and the management thereof. Its main product is LandXplorer-Studio, which provides support for estate agents, architects, urban planners, local government and service providers.<P> To reach the office building of 3D Geo GmbH one has to pass under the arched gateway to Studio Babelsberg, the oldest large-scale film studio in the world. Here, in 1930, Marlene Dietrich made Der Blaue Engel (The Blue Angel) , the film that won her international acclaim for her role in this... (read more)
2008-06-05 12:00:00

Mapping the Indoor World

Towards Crowdsourcing Geographic Information about Indoor Spaces
The availability of mobile devices for all has boosted the demand for indoor location-based services such as indoor routing or indoor navigation. Both researchers and companies are trying to adapt well-known outdoor solutions to the requirements of indoor spaces. Crowdsourced geographic information is already a promising new data source for outdoor applications. A logical next step would be to apply this novel paradigm to the indoor world. The authors propose and discuss a new model that extends the scope of Volunteered Geographic Information (VGI) communities – essentially OpenStreetMap – towards indoor spaces. This enables the open collection and usage of... (read more)
2012-04-17 03:46:15
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