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The African Geodetic Reference Frame

The African Geodetic Reference Frame (AFREF) was conceived to unify the patchwork of geodetic reference frames and vertical datums in the 54 countries in Africa. A common reference frame is intended to make it easier to co-ordinate planning and development activities within countries and across national boundaries. This article looks at the progress made from the year 2000 up to the end of 2015. (By Richard Wonnacott... (read more)
Latest GNSS news

Farlin Halsey Named as Hemisphere GNSS President and CEO

Farlin Halsey has been named as president and chief executive officer of Hemisphere GNSS, effective... (read more)

Septentrio Launches Seismic Monitoring and Advanced CORS Features on PolaRx5 Product Line

Septentrio has announced the release of 5.1.0 firmware for the PolaRx5 product line of GNSS referenc... (read more)
GNSS & GPS

Hemisphere y Carlson presentan el Receptor GNSS

Hemisphere GNSS y Carlson Software recientemente colaboraron para producir el Hemisphere S321 y Carlson BRx6, todo-nuevo, compacto... (read more)

GCPs for Satellite Image Georeferencing Surveyed Worldwide with GNSS PPP

GNSS positioning by precise point positioning (PPP) has developed over the last few years and is frequently used by the scientific... (read more)

NavCom Launches Onyx Software-upgradeable GNSS OEM Board

NavCom Technology has released the Onyx multi-frequency GNSS OEM board. Offering integrated StarFire/RTK GNSS capabilities, Onyx f... (read more)
GNSS & Galileo

Hemisphere GNSS Eclipse P328 OEM Positioning Board

Today, Hemisphere GNSS has announced the Eclipse P328 in a line of low-power, high-precision, positi... (read more)

Hemisphere and Carlson Launch GNSS Receiver

Hemisphere GNSS and Carlson Software recently collaborated to produce the Hemisphere S321 and Carlso... (read more)

Recent Advances in Geodata Acquisition Technologies

Today’s geodata acquisition technologies combine microprocessors, computer power, solid state... (read more)
GNSS & GLONASS

Trimble R2 GNSS Receiver for Data Collection with ArcGIS

Esri has announced the availability of the Trimble R2 Global Navigation Satellite Sys... (read more)

KCS TraceME Upgrades TM-178 with LoRa Technology

KCS, based in The Netherlands, has upgraded its successful TraceME module TM-178, targeted for traci... (read more)

Opening up New Opportunities in High-precision GNSS

In a fiercely competitive landscape, there is considerable pressure on GNSS companies such as Hemisp... (read more)
GNSS & BeiDou

ChinterGEO 2016: Creating a New Era Founded on 20 Years of Continuity

Marking 20 years of continuity linked to the Chinese and overseas communities of surveying, mapping... (read more)

Multi-sensor Cave Detection in Bulgaria

Caves are important in a wide variety of fields, ranging from construction engineering to mineral ex... (read more)

Core Wall Control Survey in Kuwait

Tall towers can bend and sway due to wind, cranes and other loads. Ideally, such movements should be... (read more)
Joël van Cranenbroeck
What is GNSS?

GNSS (Source: NASA)GNSS stands for global navigation satellite system and refers to a constellation of satellites, which provide signals from out of space for positioning. A GNSS has global coverage. There are several GNSS systems: GPS (United States of America), Glonass (Russian Federation), Galileo (Europe) and Beidou (China).

News and Articles about GNSS
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