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How field guidance actually works

Guidance is one of those subjects that is obvious once you have used it and opaque before. These pages explain the parts, the A/B line, the coverage map and the numbers on screen, in the terms an operator thinks in rather than in marketing language. They apply to phone-based guidance generally; where AgriPilot does something specific we say so.

If you are still deciding what to use, the comparison page sets AgriPilot against the other apps and the hardware systems, with prices and sources.

How A/B guidance lines work

What an A/B line is, how to set one, why the spacing comes from your implement width, and what the cross-track number is telling you.

How coverage mapping works

Why a map that fills in behind you catches skips and overlap that guidance lines alone miss, and how the worked area is measured.

Tracking spot spraying on foot

Recording coverage while walking with a knapsack or spot gun: how the area is counted, and why it differs from tracking a boom.

Work the numbers yourself

Reading about overlap is one thing; seeing what half a metre of it costs across a season is another. The overlap cost calculator and the work rate calculator are free, need no sign-up, and work whatever guidance you end up using. The full set of tools also includes a field boundary mapper and a farm unit converter.

Tractor GPS for iPhone