Landsat Coordinate System

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02-24-2015 09:30 PM
ShyamanthaSubasinghe
New Contributor III

USGS Landsat image shows Jakarta coordinate as WGS_1984_UTM_Zone_48N. But Jakarta is located in South Hemisphere. Is it possible to have 48N? or Should it be corrected as 48S? 

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DanPatterson_Retired
MVP Esteemed Contributor

In the southern hemisphere, UTM zones have the equator starting at 10,000,000m and descending downward to the S pole to avoid negative numbers, which is why it is important that the north versus south is specified properly, for example UTM zone 18N and UTM zone 18S both have a point 500,000 by 5,000,000 they just differ by a tiny difference of 10,000,000 unless the correct hemisphere is specified

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NeilAyres
MVP Frequent Contributor

It is possible. Just in your data the Y coords will be negative.

If you want it in the correct zone and hemisphere use the project tool (NOT the define projection tool).

DanPatterson_Retired
MVP Esteemed Contributor

In the southern hemisphere, UTM zones have the equator starting at 10,000,000m and descending downward to the S pole to avoid negative numbers, which is why it is important that the north versus south is specified properly, for example UTM zone 18N and UTM zone 18S both have a point 500,000 by 5,000,000 they just differ by a tiny difference of 10,000,000 unless the correct hemisphere is specified

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ShyamanthaSubasinghe
New Contributor III

Thank you for your explanation

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