Keskmine GPS koordinaadid postiindeks 31511: -4.003, 103.285

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videod linnad:
>> Beringin Jaya 31511, South Sumatra, Pagar Alam, GPS koordinaadid: -4.00345,103.28492
>> Pagar Alam Utara 31511, South Sumatra, Pagar Alam, GPS koordinaadid: -4.00342,103.28495