USGS - science for a changing world

Global Land 1-KM AVHRR Project

GNU gzip Compression Software

The continental 10-day composite files have been compressed with the GNU "gzip" utility. Note that the uncompressed files are typically five times larger than the compressed versions and so will take five times longer to transmit. The gzip program is available via anonymous FTP from UUNET archive

The data files are stored on a robotic mass-storage device so there may be a short (~10 seconds) delay while the media is retrieved.


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