Global support network for land surveyors, Land Surveyors United, hosted their annual social surveying education experiment, Survey Earth in a Day in 2017, for the sixth time on the 20th of June 2017.

Survey Earth in a Day is a celebration of the achievements of Land Surveyors and the Land Surveying profession and industry, commemorating International Surveyors Week and aiming to create awareness and understanding of the profession worldwide.

The mission of this annual event is to not only learn more about the surface of the earth but also monitor its changes over time, as a global community. The results will help change the knowledge we currently have of the dynamics of the surface of the earth.

The surface of the earth was simultaneously measured at noon from various locations around the planet by Surveyors using Survey Grade GNSS/GPS equipment and data collection devices. Over 1920 points were submitted in RINEX format on a dedicated web page and will serve as comparative data from prior events and to expand upon the database of logged points.

A number of our team participated in this event, collecting data from multiple points at our locations around Australia, and as far as Papua New Guinea.


Anthony Kelly - Artarmon, NSW

Brendon Zieba - Elcho Island, NT

Michael O’Sullivan - Radio Hill, Karratha, WA

Hamish Pryde - Onslow, WA

Paul McAloon - Pakenham, VIC

Leo Port - Port Moresby, Papua New Guinea

Thomas Soehnlen - Spoil Bank Peninsula, Port Hedland, WA