Mike Denham
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View article: Instantaneous, Dual-Frequency, Multi-GNSS Precise RTK Positioning Using Google Pixel 4 and Samsung Galaxy S20 Smartphones for Zero and Short Baselines
Instantaneous, Dual-Frequency, Multi-GNSS Precise RTK Positioning Using Google Pixel 4 and Samsung Galaxy S20 Smartphones for Zero and Short Baselines Open
The recent development of the smartphone Global Navigation Satellite System (GNSS) chipsets, such as Broadcom BCM47755 and Qualcomm Snapdragon 855 embedded, makes instantaneous and cm level real-time kinematic (RTK) positioning possible wi…
View article: Sea Level Rise in New Zealand: The Effect of Vertical Land Motion on Century‐Long Tide Gauge Records in a Tectonically Active Region
Sea Level Rise in New Zealand: The Effect of Vertical Land Motion on Century‐Long Tide Gauge Records in a Tectonically Active Region Open
Historically tide gauge (TG) data have been used to estimate global sea level rise. Critical to the analysis of TG records is the assumption that the TG sites are stable and not affected by vertical land motion (VLM). We analyze century‐lo…
View article: New Zealand GPS velocity field: 1995–2013
New Zealand GPS velocity field: 1995–2013 Open
We collate nearly two decades of campaign GPS data gathered at over 900 sites throughout New Zealand to release a New Zealand nationwide GPS velocity field. The data span the entire North and South islands of New Zealand with a typical spa…
View article: A geodetic study of Otago: results of the central Otago deformation network 2004–2014
A geodetic study of Otago: results of the central Otago deformation network 2004–2014 Open
We have analysed 11 years of geodetic data from 30 stations distributed over the Otago Fault System in the South Island of New Zealand. Velocities were estimated from time series corrected for coseismic displacements from the 2004 Macquari…