Keskmine GPS koordinaadid postiindeks sg13: 51.766, -0.079

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videod linnad:
>> Epping Green SG13, Hertfordshire, England, GPS koordinaadid: 51.7873,-0.0709
>> Bayford SG13, Hertfordshire, England, GPS koordinaadid: 51.7596,-0.102
>> Little Berkhamsted SG13, Hertfordshire, England, GPS koordinaadid: 51.7558,-0.1288
>> Hertford SG13, Hertfordshire, England, GPS koordinaadid: 51.7959,-0.0785
>> Little Amwell SG13, Hertfordshire, England, GPS koordinaadid: 51.7833,-0.0333
>> Hertford Heath SG13, Hertfordshire, England, GPS koordinaadid: 51.7587,-0.0503
>> Newgate Street SG13, Hertfordshire, England, GPS koordinaadid: 51.7287,-0.1167
>> Bayfordbury SG13, Hertfordshire, England, GPS koordinaadid: 51.7587,-0.0503