Average GPS coordinates for postcode al6: 51.826, -0.214

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Listing cities:
>> Harmer Green AL6, Hertfordshire, England, GPS coordinates: 51.8257,-0.2137
>> Ayot St Peter AL6, Hertfordshire, England, GPS coordinates: 51.8167,-0.2167
>> Oaklands AL6, Hertfordshire, England, GPS coordinates: 51.8257,-0.2137
>> Tewin AL6, Hertfordshire, England, GPS coordinates: 51.8167,-0.1561
>> Burnham Green AL6, Hertfordshire, England, GPS coordinates: 51.8257,-0.2137
>> Welwyn AL6, Hertfordshire, England, GPS coordinates: 51.8331,-0.2136
>> Ayot St Lawrence AL6, Hertfordshire, England, GPS coordinates: 51.8362,-0.2682