Feb 2019 | No Comment

Use of civilian drones in Germany
A study by the German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt; DLR) has now revealed that there is clear approval in Germany for the use of civilian drones in civil protection, rescue missions and research work. However, flights for advertising, leisure and parcel delivery purposes are still viewed …

Feb 2019 | No Comment

This paper is based on results presented in Lundsten and Paasch (2017; 2018) and is in part a re-publication of Lundsten and Paasch (2018)…

Jan 2019 | No Comment

Dr Gladys West inducted into Air Force Pioneers Hall of Fame

An 87-year-old doctor whose programming of accurate earth models led to the current GPS system has been inducted into the Air Force Space and Missile Pioneers Hall of Fame. Dr. Gladys West was presented with the Air Force Space and Missile Pioneers award for her …

Dec 2018 | No Comment

Virtual Surveyor 6.1 handles more than drone data
Virtual Surveyor 6.1 now handles on-thefly projections that previously required a separate software package to set the data in the proper coordinate system. It has become popular among surveyors because it bridges the gap between UAV photogrammetric processing applications and engineering CAD packages. The software generates an interactive …

Dec 2018 | No Comment

New China-Brazil Earth resources satellite in launch in H2 2019
The China-Brazil Earth Resource Satellite- 4A (CBERS-4A) will be launched in the second half of 2019, according to Li Guoping, secretary-general of the China National Space Administration (CNSA).

With a spatial resolution of two metres, the CBERS-4A satellite will offer the highest precision among CBERS satellites, though …

Dec 2018 | No Comment

In light of the emergence of big data, I have advocated and argued for a paradigm shift from Tobler’s law to scaling law, from Euclidean geometry to fractal geometry…

Dec 2018 | No Comment

This study explores the existing CORS network particularly the Greater Accra CORS to know the extent of its usage for GPS surveys in Ghana and to determine its usefulness in ensuring uniform and homogenous data collection

Surv. Sebastian Botsyo (MGhIS)

Ghana School of Surveying and Mapping, Cantonments, Accra, Ghana


Geomatic Engineer, Volta River Authority, Ghana


Senior …

Dec 2018 | No Comment

The emblematic intergovernmental Group of Earth Observations (GEO) sees food, water and energy security, natural hazards, pandemics of infectious diseases, sustainability of key services, poverty,…

Nov 2018 | No Comment

Kalashnikov gunmaker creates satellite navigation signal suppressing system for drones
ZALA AERO, part of the Kalashnikov Group, has demonstrated a new device of satellite navigation signal suppression for UAVs.
The compact module is placed under an unmanned aerial vehicle’s wing and suppresses the signal of satellite navigation systems within a radius of up to 5km, …

Sep 2018 | No Comment

India allows flying commercial drones day-time from Dec 1
India has finally permitted commercial flying of drones with effect from December 1, 2018, according to a press release from the Ministry of Civil Aviation on August 27.
The ministry announced Drone Regulations 1.0 on August 27 to enable safe, commercial usage of drones. The regulation …