It says it anticipates a rise in productions from abroad as the city "markets itself increasingly as a filming location" through the unit.

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The data from these is combined with that from a conventional GPS unit to pinpoint a location of a car to within 2m in cities.

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The phone also automatically relays the GPS coordinates of the user's location and rates nearby noise levels by using the unit's microphone.

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The new technology platform can be embedded in an existing design or operate as a stand-alone unit, with options to compute the location locally or transmit the information to a remote system which can process the data before visualising it on a smartphone app.

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Next to each address book entry is an icon that when selected will cause the unit to draw a map from your current location to the address given in the address book.

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Under the proposals, the document production unit will be consolidated, drawing staff from eight UK offices to one location in Leeds.

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