DGPS -Surveying Websites
Ashtech survey grade GPS equipment www.ashtech.com
Software and Map Data for GPS
Shonky Maps for Garmin GPS
Expert GPS allows you to import points to Garmin Devices
Ozi Explorer GPS mapping software.
General GPS References and Information
AMSA Differential Beacons - where they are in Australia, their coverage and frequencies AMSA site
GPS and mapping information from Geoscience Australia www.ga.gov.au
GPS news, product reviews on Joe Mehaffey's website www.gpsinformation.net
GPS is used for Navigation in all types of outdoor pursuits. Below is a hanglider soaring a hill near Geralton WA.