Knowledge Base

GNSS Receiver Evaluations 2012

Mon, Mar 5, 2012 GNSS GPS receiver testing SNR javad leica trimble topcon septentrio 0 1993 0/5 (0 Vote)

This article provides a summary of UNAVCO's comparison of the current state-of-the art hardware from 5 major manufacturers. It will include comparisons of receiver data quality in the following areas: double difference phase residual RMS; qualitative... Read More

Stability of GNSS Monumentation: Analysis of co-located monuments in the Plate Boundary Observatory [Talk; 2014]

Wed, Dec 9, 2015 GNSS GPS Monument stability Development Testing 0 1197 0/5 (0 Vote)

Title: Stability of GNSS Monumentation: Analysis of co-located monuments in the Plate Boundary Observatory Authors: Frederick Blume, Henry Berglund, Karl Feaux, Ken Austin, Tim Dittmann, Chris Walls, Glen Mattioli Date: 2014 Summary: ... Read More

Report from the the First AFREF Technical Workshop - July 2006

Fri, Feb 1, 2008 afref africa unoosa uneca permanent gps nasa gnn 0 1091 0/5 (0 Vote)

See attached .pdf file. REPORT: 1st AFREF TECHNICAL WORKSHOP, CAPE TOWN, SOUTH AFRICA, 9-13 July 2006 Read More

Windhoek Declaration on An African Geodetic Reference Frame (AFREF) - 2005

Fri, Feb 1, 2008 afref africa unoosa uneca permanent gps nasa gnn 0 1306 0/5 (0 Vote)

See attached .pdf file. Read More

AFREF Newsletter - May 2007

Fri, Feb 1, 2008 afref africa unoosa uneca permanent gps nasa gnn 0 1148 0/5 (0 Vote)

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AFREF Newsletter - Jan 2007

Fri, Feb 1, 2008 afref africa unoosa uneca permanent gps nasa gnn 0 986 0/5 (0 Vote)

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AFREF Newsletter - Aug 2006

Fri, Feb 1, 2008 afref africa unoosa uneca permanent gps nasa gnn 0 1109 0/5 (0 Vote)

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AFREF Newsletter - Sept 2007

Fri, Feb 1, 2008 afref africa unoosa uneca permanent gps nasa gnn 0 1037 0/5 (0 Vote)

See the attached .pdf file. Read More

AFREF Technical Workshop 2006 - Program

Fri, Feb 1, 2008 afref africa unoosa uneca permanent gps gnn 2006 cape town experts meeting workshop nasa gnn 0 900 0/5 (0 Vote)

see attached MS word file Read More

AFREF Status and Summary - November 2005

Fri, Feb 1, 2008 afref africa unoosa uneca permanent gps nasa gnn 0 773 0/5 (0 Vote)

AFREF: Summary of Meetings on Unification of African Reference Frames, Cape Town and Pretoria, South Africa, 28 October – 4 November 2005, AFRICAGIS 2005, Prepared by R. Neilan Read More

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