> For the complete documentation index, see [llms.txt](https://aerogcs-green-docs.aeromegh.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://aerogcs-green-docs.aeromegh.com/10.-map-calibration/10.2-when-to-perform-map-calibration.md).

# 10.2 When to Perform Map Calibration

* When the drone’s on-screen position doesn’t match its actual physical position.
* After changing locations or operating in areas with varying terrain.
* After reconnecting to the drone if the offset appears.
* Whenever GPS signal conditions have changed significantly.