ASTER

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The main page for aster data reference is http://asterweb.jpl.nasa.gov/gdem.asp

We do not recommend this data in Canada and the US, or other areas where better data is available. Please read the following document concerning the accuracy of the ASTER (GDEM) dataset.

ASTER GDEM Ver. 2 Validation Summary Report

How to Download

This page allows you to download aster data and other formats as well http://gdex.cr.usgs.gov/gdex/

Pathloss 5 instructions

Unzip the downloaded files.

Select Configure from the main menu, and click Set GIS Configuration. Select Primary or Secondary DEM. From the drop down list on the right select BIL Geographic DEM. Click the File Index button, Select Files - Import Index - ASTER Geo Tiff files.

Select only the files with DEM in the name. Do not select file with NUM in the name. The ASTER data is ready to use.

Pathloss 4.0 instructions

Unzip the downloaded files.

Select Configure from the main menu, and click Terrain Database. Select SRTM-ASTER in either the Primary or Secondary drop down list. Click the Setup Primary/Secondary button, Select Files - bil, SRTM hgt, ASTER tif. Select the files and click Open.

Select only the files with DEM in the name. Do not select file with NUM in the name. The ASTER data is ready to use.