Survey Grade GPS

Requirements for Participation in Survey Earth in a Day 4D

In order to participate in Survey Earth in a D
Instructions for Survey Earth in a Day 4D
ay 4D, you must have access to Survey Grade GPS equipment and data collection device. We are interested only in data from devices which produce high accuracy results. No Cellphone or other GPS device is acceptable.
All data submitted to Survey Earth in a Day will be post-processed using RINEX.
Survey Earth in a Day Do's and Don'ts

Click to enlarge