arct ica ▁( SO A MA FR ) ▁v 0 so a ▁South ▁Asia ▁and ▁Australia ▁( S AS A US ) ▁v 0 s as ▁ ▁Level ▁One ▁( V MAP 1 ) ▁Level ▁ 1 ▁data ▁are ▁equivalent ▁to ▁a ▁medium ▁scale ▁resolution ▁( 1 : 2 5 0 , 0 0 0 ). ▁Level ▁ 1 ▁t iles ▁follow ▁the ▁M IL - V - 8 9 0 3 3 ▁standard . ▁ ▁Hor izontal ▁accuracy : ▁ 1 2 5 - 5 0 0 m ▁ ▁Vert ical ▁accuracy : ▁ 0 . 5 - 2 ▁Cont our ▁Inter val ▁( for ▁example : ▁if ▁cont our ▁interval ▁ 5 0 ▁m , ▁accuracy ▁will ▁be ▁ 2 5 ▁to ▁ 1 0 0 m ) ▁ ▁Data ▁sets ▁V MAP ▁Level ▁ 1 ▁is ▁divided ▁in ▁ 2 3 4 ▁ge ographical ▁t iles . ▁Only ▁ 5 7 ▁of ▁them ▁are ▁currently ▁( 2 0 0 6 ) ▁available ▁for ▁download ▁from ▁N GA . ▁Among ▁the ▁available ▁datasets , ▁coverage ▁can ▁be ▁found ▁for ▁parts ▁of ▁Costa ▁Rica , ▁Lib ya , ▁United ▁States , ▁Mexico , ▁Ira q , ▁Russia , ▁Pan ama , ▁Colombia ▁and ▁Japan . ▁ ▁Level ▁Two ▁( V MAP 2 ) ▁Level ▁ 2 ▁data ▁are ▁equivalent ▁to ▁a ▁large ▁scale ▁resolution . ▁Level ▁ 2 ▁t iles ▁follow ▁the ▁M IL - V - 8 9 0 3 2 ▁standard . ▁ ▁Hor izontal ▁accuracy : ▁ 5 0