Coordinate GPS medie per codice postale tr18: 50.121, -5.537

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lista delle città :
>> Gulval TR18, Cornwall, England, coordinate GPS: 50.1328,-5.5212
>> Penzance TR18, Cornwall, England, coordinate GPS: 50.1186,-5.5372
>> Heamoor TR18, Cornwall, England, coordinate GPS: 50.1174,-5.5425
>> Chyandour TR18, Cornwall, England, coordinate GPS: 50.1174,-5.5425
>> Newlyn TR18, Cornwall, England, coordinate GPS: 50.1174,-5.5425