APPENDIXMap DatumsAdindan Adindan- Ethiopia, Mali, Senegal, SudanAfgooye Afgooye- SomaliaAIN EL ABD ‘70 AIN EL ANBD 1970- Bahrain Island, Saudi ArabiaAnna 1 Ast ‘65 Anna 1 Astro ‘65- Cocos I.ARC 1750 ARC 1750- Botswana, Lesotho, Malawi, Swaziland,Zaire, Zambia, ZimbabweARC 1960 Kenya, TanzaniaAscnsn Isld ‘58 Ascension Island ‘58- Ascension IslandAstro B4 Sorol Sorol Atoll- Tern IslandAstro Bcn “E” Astro Beacon “E”- Iwo JimaAstro Dos 71/4 Astro Dos 71/4- St. HelenaAstr Stn ‘52 Astronomic Stn ‘52- Marcus IslandAstrln Geod ‘66 Australian Geod ‘66- Australia, Tasmania IslandAstrln Geod ‘84 Australian Geod ‘84- Australia, Tasmania IslandAdindan Adindan- Ethiopia, Mali, Senegal, SudanAfgooye Afgooye- SomaliaAIN EL ABD ‘70 AIN EL ANBD 1970- Bahrain Island, Saudi ArabiaAnna 1 Ast ‘65 Anna 1 Astro ‘65- Cocos I.ARC 1750 ARC 1750- Botswana, Lesotho, Malawi, Swaziland,Zaire, Zambia, ZimbabweARC 1960 Kenya, TanzaniaAscnsn Isld ‘58 Ascension Island ‘58- Ascension IslandAstro B4 Sorol Sorol Atoll- Tern IslandAstro Bcn “E” Astro Beacon “E”- Iwo JimaAstro Dos 71/4 Astro Dos 71/4- St. Helena84FThe GPSMAP 175’s built-in worldwide database includes chart coverage down to 64nm (120 km) for the areas outlined above. Note that the GPSMAP 175’s database isonly valid to 68º24.543 north or south.