[OSGeo Africa] SRTM 30m DEM

Aslam Parker aparker at ruraldevelopment.gov.za
Thu Nov 6 02:20:52 PST 2014


ASTER accuracy is less and there are many anololies and spikes, ASTER uses imagery wheras SRTM 30m is radar based and is far more penetrating. The SRTM data has gone through many iterations of editing/cleaning

>>> "E. Ndava"  11/06/14 12:08 PM >>>
Thanks for the info.

Still on that. In layman terms how does this DEM compare to the ASTER 30m
DEM (https://www.jspacesystems.or.jp/ersdac/GDEM/E/4.html).


On 6 November 2014 11:55, Aslam Parker 

> Please note that the recently made available SRTM 30m DEM data can either
> be downloaded from http://earthexplorer.usgs.gov/, or you can contact NGI
> Cape town or Pretoria Office for a copy of the data. It is 4Gb large for
> South Africa.
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