GNSS – What satellites are up and operational (1-12-2011)? With 23 GLONASS satellites now available, GG receivers (GPS & GLONASS) have 53 satellites to observe to! Here is a brief summary of the current GPS & GLONASS constellations (1-12-2011). GPS Status: 30 operational http://www.glonass-center.ru/en/GPS/ Block IIA (advanced) 11 in service Launched 1990 – 1997 7.5yr lifespan L1 & L2 Block...
General
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RH16 radio-handle, the TCPS29 base-radio and the CTR16 radio-Cap.
Released alongside the latest version of the ‘SmartWorx Viva’ survey suite (v4.00), Leica Geosystems have proudly unveiled a new trio of communication devices; the RH16 radio-handle, the TCPS29 base-radio and the CTR16 radio-Cap. A 10Hz update rate is possible when using the CTR radio cap on the CS Field Controller and RH16 radio-handle on the TS total station. Other communication... -
New Leica xRTK to provide peak RTK performance
New Leica xRTK to provide peak RTK performance “Leica Geosystems announced the new xRTK and SmartRTK for Leica Viva GNSS. -> Leica xRTK is a new RTK solution that provides maximum availability even in the most difficult conditions. -> Leica SmartRTK delivers reliable, consistent results in all RTK Networks and single base-line modes. Leica xRTK delivers a phase-fixed RTK solution... -
Brief History of GB Coordinate Systems
Brief History of GB Coordinate Systems Great Britain is one of the few countries to have two triangulations observed in the last two centuries. The first, known simply as the “Principle Triangulation”, was published in 1858. It was not observed as a single planned scheme but was instead made up in a piecemeal fashion from observations between 1783 and 1853... -
High Speed Rail: Investing in Britain's Future - Consultation
High Speed Rail: Investing in Britain's Future - Consultation After the Olympics, the M25 Widening and CrossRail, the next major infrastructure project in the UK is likely to be ‘High Speed 2’ (HS2), which could see trains running from London to Birmingham at 250mph, with scope for a Y-shaped extension to the more northern cities of Manchester, Leeds, Newcastle, Glasgow...