GNSS

What is the current state of GNSS, from both a constellation, augmentation and receiver perspective? Spoiler alert: it is more of an evolution than a revolution! It is almost impossible to imagine geo...

GNSS… it’s almost impossible to run a modern geo-related business without it. But what if a problem should occur? Whether in navigation, surveying or even agriculture, countless activities almost ...

Satellite surveying… are there any industry professionals out there not using it on (almost) a daily basis? Over the last 30 years, GNSS has become the main positioning instrument for most applicati...

Applanix’s POSPac MMS GNSS Inertial software, in particular the Applanix SmartBase (ASB) post-processed virtual reference station technique, has been widely adopted as a robust and reliable method o...

Richard Groom provides pointers to articles from the FIG Congress in May. Papers can be downloaded from https://bit.ly/2yz8xlB. Changing Survey Muller and Klein (TS06C) look at moves to update the rol...

A short provision in the larger Islands Act bill passed by the Scottish Parliament in July 2018 now requires government mapmakers to put the Shetland Islands where it belongs. Tavish Scott, a politici...

Ordnance Survey (OS) has just updated its geodetic infrastructure. Mark Greaves, Lead Consultant at Geodesy, describes these developments and takes a look at shorter and longer-term geodetic issues fo...

The theme of this issue of Geomatics World is GNSS. Geodesy was once very much in the domain of surveyors but today the use of satellite data for positioning is ubiquitous and with 95% of the populati...

Richard Groom summarises some of the interesting papers from the FIG Congress focussing on GNSS, Hydrography, 3D Cadastre and mapping. GNSS – Detecting Cycle Slips Roberts and Hancock (TS03E) presen...

Continuously operating reference stations (CORS) are permanent GNSS stations that log and disseminate GNSS observations continuously to meet various user needs. CORS networks have been going up all ov...