A True Partnership To Improve Position, Navigation And Timing Services In Australia
“We need to use an external frame of reference when making measurements of the Earth’s position, tilt and speed of rotation, and that these supermassive black holes are our best indicator as they don’t really move.” These measurements, called Earth Orientation Parameters, are used by Global Navigation Satellite System (GNSS) satellites to help geodesists understand ...
ga.gov.au
