Geodetic Research Laboratory Department of Geodesy and Geomatics Engineering University of New Brunswick 2/20/2016 K. Cove 1 Carrier Phase Differential Kinematic GPS Data Processing and Analysis Karen Cove Marcelo Santos Geodetic Research Laboratory Department of Geodesy and Geomatics Engineering University of New Brunswick Fredericton, NB Real-Time Kinematic GPS Navigation for Hydrography Surveys and Seamless Vertical Datums Workshop August, 2002 Stennis Space Centre Geodetic Research Laboratory Department of Geodesy and Geomatics Engineering University of New Brunswick 2/20/2016 K. Cove 2 Introduction Section 1 Project Description Section 2 UNB Project Section 3 Summary and Conclusions Geodetic Research Laboratory Department of Geodesy and Geomatics Engineering University of New Brunswick 2/20/2016 K. Cove 3 Project Description Goal: To support USM effort to establish OTF RTK capacity for NAVOCEANO by testing Dynapos software with carrier phase differential kinematic GPS data. Means: Kinematic GPS Data Collection Kinematic Data Processing with Dynapos Kinematic Data Analysis Geodetic Research Laboratory Department of Geodesy and Geomatics Engineering University of New Brunswick 2/20/2016 K. Cove 4 UNB Project Data Processing with Dynapos St. Andrews Harbour Chesapeake Bay (provided by XYZs of GPS) Data Analysis and Results Comments Geodetic Research Laboratory Department of Geodesy and Geomatics Engineering University of New Brunswick 2/20/2016 K. Cove 5 Dynapos Experience Data Processing Performed using Dynapos software developed by XYZs of GPS All data processed in Playback or Post-processing mode Various Data Combinations and Kalman Filter Parameters explored Geodetic Research Laboratory Department of Geodesy and Geomatics Engineering University of New Brunswick 2/20/2016 K. Cove 6 Dynapos Experience Processing Techniques: Ionospheric Free Carrier and L1+L2 Code Combination of Techniques including L1+L2 (narrow lane) Carrier and L1 +L2 Code L1-L2 (wide lane) Carrier and L1+L2 Code Fixed and Floating Carrier Phase Integer Ambiguities Geodetic Research Laboratory Department of Geodesy and Geomatics Engineering University of New Brunswick 2/20/2016 K. Cove 7 Dynapos Experience Geodetic Research Laboratory Department of Geodesy and Geomatics Engineering University of New Brunswick 2/20/2016 K. Cove 8 Data - St. Andrews Harbour Data collected May 8 10, 2002 Hydrographic Survey Camp OMG operated Heron Trimble 5700 receivers Data rate 1 Hertz Station NBCC Geodetic Research Laboratory Department of Geodesy and Geomatics Engineering University of New Brunswick 2/20/2016 K. Cove 9 Range to NBCC Station Geodetic Research Laboratory Department of Geodesy and Geomatics Engineering University of New Brunswick 2/20/2016 K. Cove 10 S tandard Deviation Iono-Free Technique Geodetic Research Laboratory Department of Geodesy and Geomatics Engineering University of New Brunswick 2/20/2016 K. Cove 11 Standard Deviation Combination of Techniques Geodetic Research Laboratory Department of Geodesy and Geomatics Engineering University of New Brunswick 2/20/2016 K. Cove 12 Comparison of Processing Techniques Geodetic Research Laboratory Department of Geodesy and Geomatics Engineering University of New Brunswick 2/20/2016 K. Cove 13 Data - Chesapeake Bay Tangiers Island, Chesapeake Bay Data collected in 1999 XYZs of GPS The Courtney Thomas Ashtech Z-12 receivers Data rate 1 Hertz Stations DENY and TANG Geodetic Research Laboratory Department of Geodesy and Geomatics Engineering University of New Brunswick 2/20/2016 K. Cove 14 Range to TANG Station Geodetic Research Laboratory Department of Geodesy and Geomatics Engineering University of New Brunswick 2/20/2016 K. Cove 15 S tandard Deviation Iono-Free Technique Geodetic Research Laboratory Department of Geodesy and Geomatics Engineering University of New Brunswick 2/20/2016 K. Cove 16 S tandard Deviation Iono-Free Technique Geodetic Research Laboratory Department of Geodesy and Geomatics Engineering University of New Brunswick 2/20/2016 K. Cove 17 S tandard Deviation Combination of Techniques Geodetic Research Laboratory Department of Geodesy and Geomatics Engineering University of New Brunswick 2/20/2016 K. Cove 18 S tandard Deviation Combination of Techniques Geodetic Research Laboratory Department of Geodesy and Geomatics Engineering University of New Brunswick 2/20/2016 K. Cove 19 Comparison of Processing Techniques Geodetic Research Laboratory Department of Geodesy and Geomatics Engineering University of New Brunswick 2/20/2016 K. Cove 20 Comparison of Processing Techniques Maximum distance of 35 Km from TANG Geodetic Research Laboratory Department of Geodesy and Geomatics Engineering University of New Brunswick 2/20/2016 K. Cove 21 Range to DENY Station Geodetic Research Laboratory Department of Geodesy and Geomatics Engineering University of New Brunswick 2/20/2016 K. Cove 22 S tandard Deviation Iono-Free Technique Geodetic Research Laboratory Department of Geodesy and Geomatics Engineering University of New Brunswick 2/20/2016 K. Cove 23 S tandard Deviation Iono-Free Technique Geodetic Research Laboratory Department of Geodesy and Geomatics Engineering University of New Brunswick 2/20/2016 K. Cove 24 S tandard Deviation Combination of Techniques Geodetic Research Laboratory Department of Geodesy and Geomatics Engineering University of New Brunswick 2/20/2016 K. Cove 25 S tandard Deviation Combination of Techniques Geodetic Research Laboratory Department of Geodesy and Geomatics Engineering University of New Brunswick 2/20/2016 K. Cove 26 Comparison of Processing Techniques Geodetic Research Laboratory Department of Geodesy and Geomatics Engineering University of New Brunswick 2/20/2016 K. Cove 27 Comparison of Processing Techniques Maximum distance from DENY Geodetic Research Laboratory Department of Geodesy and Geomatics Engineering University of New Brunswick 2/20/2016 K. Cove 28 TANG and DENY Combination of Techniques Geodetic Research Laboratory Department of Geodesy and Geomatics Engineering University of New Brunswick 2/20/2016 K. Cove 29 TANG and DENY Combination of Techniques Maximum distance from TANG and DENY Geodetic Research Laboratory Department of Geodesy and Geomatics Engineering University of New Brunswick 2/20/2016 K. Cove 30 TANG and DENY Iono-Free Technique Geodetic Research Laboratory Department of Geodesy and Geomatics Engineering University of New Brunswick 2/20/2016 K. Cove 31 TANG and DENY Iono-Free Technique Maximum distance from TANG and DENY Geodetic Research Laboratory Department of Geodesy and Geomatics Engineering University of New Brunswick 2/20/2016 K. Cove 32 Summary - Results St. Andrews St. Andrews data results inconclusive due to poor data quality Chesapeake Bay TANG data results good for both processing techniques DENY data results good for ionospheric free technique but poor for combination of techniques TANG and DENY solutions within 10 to 30 cm for ionospheric free processing technique TANG and DENY solutions vary up to 80 cm for combination of techniques processing Geodetic Research Laboratory Department of Geodesy and Geomatics Engineering University of New Brunswick 2/20/2016 K. Cove 33 Summary - Dynapos Experience Steep learning curve Complex optionsrequires skilled user Requires near ideal data for best results Development of Standard Operating Procedures beneficial for users User has greater level of control over results Excellent potential for real time applications and for data analysis Currently under development Geodetic Research Laboratory Department of Geodesy and Geomatics Engineering University of New Brunswick 2/20/2016 K. Cove 34 Conclusions Preliminary Dynapos results: Consistent with expectations for short and long baselines Consistent with expectations regarding data combinations Benefits in further investigation into: Data processing techniques in Dynapos Data analysis Use of different kinds of receivers Comparison with other software packages Future research in both post processed and real time applications Geodetic Research Laboratory Department of Geodesy and Geomatics Engineering University of New Brunswick 2/20/2016 K. Cove 35 Ferry Project Proposal for a Marine Carrier Phase Kinematic GPS Project Goal is to investigate the performance of high accuracy positioning and navigation using GPS carrier phase in terms of coverage and weather variability Take place on the Bay of Fundy Princess of Acadia ferry boat Data collection in one month spans in four different seasons over a one year period Weather data from New Brunswick Meteorological Service Geodetic Research Laboratory Department of Geodesy and Geomatics Engineering University of New Brunswick 2/20/2016 K. Cove 36 Ferry Project Survey Location Bay of Fundy, NB Geodetic Research Laboratory Department of Geodesy and Geomatics Engineering University of New Brunswick 2/20/2016 K. Cove 37 Seamless Datum GEOIDE Project on the definition of a modern and seamless vertical reference system for Canada. Canadian Geoid Package for Precise Geoid Determination. Geodetic Research Laboratory Department of Geodesy and Geomatics Engineering University of New Brunswick 2/20/2016 K. Cove 38 Questions