Supporting positioning in Australia through open access multi-gnss data.

Transcription

1 Session: GNSS Networks, Processing and Calibrations Supporting positioning in Australia through open access multi-gnss data. Ryan Ruddick, Nicholas Brown, Brandon Owen, Ted Zhou and Bart Thomas

2 Overview of Presentation AUSCORS Multi-GNSS Data Centre

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6 Data Products Daily Hourly Highrate Stream Multi-GNSS Transition Plan Currently All stations Daily RINEXv2 and RTCM 3.1 (MT 1004/1012). 70% of stations Daily RINEXv3 and RTCM 3.2 (MSM4,5 or 7). 12 to 18 Months All stations providing only RINEXv3 and RTCM 3.2 (MSM7). Users wanting RINEXv2 will be able to request down converted files.

7 Accessing Data Connected to ftp.ga.gov.au. 220 FTP Server ready. Name (ftp.ga.gov.au:rruddick): anonymous 331 Anonymous login ok, send your complete address as your password Password: 230- Geoscience Australia ================================================================================ With the exception of the contents requiring a password, all other contents are released under a Creative Commons Attribution 4.0 Australia Licence ( and the limitation of liability and warranty clause contained within this licence apply. ================================================================================ ftp.ga.gov.au 230 Anonymous login ok, restrictions apply. Remote system type is UNIX. Using binary mode to transfer files. ftp> cd geodesy-outgoing 250- Welcome to the Geoscience Australia geodesy data archive FTP Directory: ftp://ftp.ga.gov.au/geodesy-outgoing/ Data and products are contained in the following main directories. /apref APREF information and products /doris DORIS data and products /gnss GNSS data and products /gravity AusGeoid09, absolute and tidal gravity data /insar InSAR data and products /local_tie Survey reports for geodetic infrastructure /miscell Miscellaneous information and products /slr SLR data and products /vlbi VLBI data and products This is a read only server. For data submission please contact geodesy@ga.gov.au. Real-time Global Navigation Satellite System (GNSS) data products are available by subscription (please note no differential corrections are provided). For further information on accessing these data streams please contact geodesy@ga.gov.au. Geoscience Australia has applied the Creative Commons Attribution 3.0 Australia Licence. Full details of your obligations when using Geoscience Australia's material can be viewed at Geoscience Australia supports and encourages the dissemination and exchange of information. ftp>

8 Accessing Data auscors.ga.gov.au

9 GA Data Centre Statistics 1.6 TB 75 GB per month 164 GB per month CORS Archive Upload Download TB per month 2.4 TB per month Streams Subscribers Read Written

10 Data Centre Projects < META > egeodesy Data Centre

11 Station Metadata Station metadata is currently stored in text based static log files. Parsing and vetting challenges Metadata needed in multiple formats Managing files is a chore No facilitation of machine-to-machine exchange

12 Station Metadata - GeodesyML

13 CORS FTP Server Incoming Bucket Data Archive Validation and QC egeodesy Database Internet GA Data Centre Cloud Based Data Centre

14 Advantages and Changes. Improved data validation and quality checking. RINEX headers validated against our database. Multi-GNSS data QC d using G-NUT/ANUBIS. Reduced latency. Improved accessibility of our data. Changes All data will now be gzipped rather than UNIX compressed. No FTP access.

15 Accessing Data (Future) curl XGET archive api.geodesy.ga.gov.au/bulk? datatype=obs&filelength=daily&sites=alic,sym1 &fromdate= &todate= Webpage API Programmatically AWS Tools

16 Phone: Web: ryan.ruddick@ga.gov.au Address: Cnr Jerrabomberra Avenue and Hindmarsh Drive, Symonston ACT 2609 Postal Address: GPO Box 378, Canberra ACT 2601