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Cadastral Surveyors in rural areas. Do you need ambiguity resolution in multi-GNSS PPP for accuracy or integrity?

Over the past two decades, the PPP user model has been constantly evolving. Each iteration, adding improvements in terms of accuracy and most notably convergence. Research objectives focused on examining the different performance indicators of PPP …

Assessing PPP ambiguity resolution within Ontario

Precise Point Positioning (PPP) data processing technique has been developed over the past 15 years to become a standard method for a growing number of positioning and navigation applications. Research objectives consisted of examination of the …

Assessing PPP uncertainty in Ontario: How realistic are PPP uncertainties?

Software-determined position uncertainty is main indicator of solution accuracy in PPP, as a reference solution may not available. Research presents novel analysis of PPP uncertainty realism in southern Ontario, and quantifies data collection periods …

Evaluation of Network RTK in Southern Ontario

In Ontario, network RTK services were established and are operated by private companies with little governmental regulation. MTO requested that York, in part, evaluate the performance of network RTK in Southern Ontario. A small subset of results from …