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I am writing an essay titled: Critically evaluate the positional fixing capabilities of current smartphone technologies for real world GIS data collection.

i would like to know examples of what an alternitive to a smart phone GNSS reciever would be and the main differences.

currently i understand survery grade GNSS recivers and hand help units such as the garmin branded ones are the alternitive however i am struggling to understand why they are better or worse at posistional fixing and dealing with errors.

closed as off-topic by Ian Turton Feb 11 at 14:58

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