What is Ground Sample Distance (GSD)?

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Ground Sample Distance (GSD) is the distance between the centre of two adjacent pixels measured on the ground. It is a measure of accuracy in aerial mapping and remote sensing operations.

Learn how to calculate GSD and find out more about why GSD is important for drone surveying on the blog.

James Willoughby

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James joined heliguy™ in 2018 following a 13-year stint in print and online journalism, having worked on regional and weekly newspaper titles. He is responsible for spearheading heliguy™'s content strategy and social media delivery. James collaborates with DJI Enterprise's European marketing team to coordinate and produce case studies and helps organise events and webinars.