Extracting tar.gz file Error

Hello,

I am trying to install NCL/NCAR Graphics from a precompiled binary. The
binary I chose is
ncl_ncarg-6.1.2.Linux_Debian6.0_x86_64_nodap_gcc445.tar.gz since my OS is
Ubuntu 12.04.2 LTS and it is a 64-bit OS.

I followed the instructions in
http://www.ncl.ucar.edu/Download/install.shtml. So, I tried to extract the
file as follows:
tar -zxf ncl_ncarg-6.1.2.Linux_Debian6.0_x86_64_nodap_gcc445.tar.gz

However, it did not work and I got the following error message:

gzip: stdin: not in gzip format
tar: Child returned status 1
tar: Error is not recoverable: exiting now

Please advise.

Thank you very much in advance.

Regards,
Ahmad Alyoubi

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Received on Mon Jan 13 11:57:37 2014