Coordinate GPS medie per codice postale po31: 50.755, -1.311

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lista delle città :
>> Northwood PO31, Isle of Wight, England, coordinate GPS: 50.741,-1.3119
>> Gurnard PO31, Isle of Wight, England, coordinate GPS: 50.7606,-1.3241
>> Cowes PO31, Isle of Wight, England, coordinate GPS: 50.7631,-1.2977