# GPS-less navigation possible?

**URL:** <https://forum.yarbo.com/t/gps-less-navigation-possible/1240>\
**Category:** Support & Solutions\
**Tags:** lawn-mower\
**Created:** [April 21, 2025, 2:08pm UTC](https://forum.yarbo.com/t/gps-less-navigation-possible/1240 "2025-04-21T14:08:46Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![Deixi](https://yyz1.discourse-cdn.com/flex007/user_avatar/forum.yarbo.com/deixi/32/636_2.png) [@Deixi](https://forum.yarbo.com/u/Deixi)\
**Post date:** [April 21, 2025, 2:36pm UTC](https://forum.yarbo.com/t/gps-less-navigation-possible/1240/4 "2025-04-21T14:36:21Z")

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ATM there is a problem with yarbo missing lines. See my post and Yarbo answer? They are working on it, the latest firmware update, unfortunately, brought no solution, but it did a little better.

[Yarbo missing lines.](https://forum.yarbo.com/t/yarbo-is-doing-its-job-but-app-is-not-updating/870/11)

@bryan.wheeler As I understand it, the problem lies in the slope. The algorithm calculates it wrong l, when the area is tilted.  
I can not set more than 20cm overlap in the app, so at the moment there is no good solution. I tried Checkerboard and parallel, no difference in the outcome.

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