Data Availability
The Global Navigation Satellite Systems (GNSS) data from Geoscience Australia and associated Continuously Operating Reference Stations (CORS) are freely available for download through the GA anonymous FTP server under a creative commons licence.
Data products
Depending on the stations data policy, the following products are available for download.
| Product | Sample Rate | Length | Format | Latency |
|---|---|---|---|---|
| Daily | 30 secs | 24 hour | RINEX | 2 hours after UTC day |
| Hourly | 30 secs | 1 hour | RINEX | 5 mins after UTC hour |
| High-rate | 1 sec | 15 min | RINEX | 2 mins after UTC quarter hour |
| Real-time | 1 sec | - | RTCM (NTRIP) | 2 secs after observation |
Daily RINEX products are stored online permanently. Hourly products are stored for 14 days before being removed from the server. High-rate data products are stored online for one year, after this the files are available by request.
Further information on data products can be found in our data access policy.
Real-time 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.
Metadata and station logs
Metadata and site information is maintained as an International GNSS Service (IGS) station logs. These files are in ASCII format and show the current and historical information about the station and its equipment.
The station log filename is composed of the 4-character marker name, followed by the 4-digit year, 2-digit month and 2-digit day e.g. alic_20111225.log is the site log for the CORS at Alice Springs, prepared on 25 December 2011.
Topic contact: geodesy@ga.gov.au Last updated: April 18, 2012
