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GPS ROUND-UP ▶▶▶


Keep taking the tablets for low-cost satellite guidance


If you fancy investing in GPS guidance, but can’t justify shelling out thousands, there are now several makers offering a simpler, cheaper alternative. James Andrews takes a look at some affordable tablet-based systems


More and more industries are making use of the cheap-but-reliable technology offered by tablet computers and smartphones. Unlike complicated, bespoke electronic


controllers, these techy little devices can run multiple programmes that can be downloaded and updated in minutes. It is little wonder then there are now several


credible farm-specific guidance systems making use of this technology. However,


unlike car navigation systems that will work with a smart device’s basic GPS unit, these agricultural systems need a helping hand to get the degree of accuracy required. This comes in the form of an external GPS


receiver – mated to the tablet via Bluetooth or wi-fi – that uses a correction signal to boost accuracy to the levels required. We take a look at some of the budget systems now on offer.


▶ ▶ FUTURE FARMING | 9 NOVEMBER 2017 35


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