Mark Sauder

It's a thing that happens because the earth has mass and spins on an axis. It's wider around the middle than it is from top to bottom.

If it's not wgs84 and you need to fly more than 300miles, submit a pr. And yes,the earth is not a sphere. @Jaeyoung-Lim is quite capable of adding the math,...

Can you do it with wgs84?

Hi @ilNonn0 , I'm not sure how I missed this issue last spring, but I thought you might like to join in on the current community effort here: https://github.com/PX4/PX4-Autopilot/issues/16620#issuecomment-968580101

@hamishwillee , I wrote this driver, i am glad to help with the docs. Let me get a start on it and ask for your help to polish things up!