sat='f16'
what='ssj'

for month in 01 02 03 04 05 06 07 08 09 10 11 12 
do
    for year in 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015
    do
        wget -e robots=off --wait 0.5 --no-host-directories --no-parent --cut-dirs=2 -r --level=1 -A ".gz,.cdf" --timestamping http://satdat.ngdc.noaa.gov/dmsp/data/$sat/$what/$year/$month
    done
done
