<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>Try setting the lat/lon values to a range that covers the location where station 421800 is : </div><div>'set lat 28 29' ;* make sure these lat/lon ranges are relevant</div><div>'set lon 77 78'</div><div>'set gxout value'</div><div>'set stid on'</div><div>'set stnprint on'</div><div>'set stat on'</div><div>'set t 1'</div><div>'d o18'</div><div><br></div><div>Then GrADS will print out all the station values in that lat/lon range at that time, and you should see your data in the display and the command window. This output might reveal why it can't find your station when trying to display the time series of values... </div><div><br></div><div>--Jennifer</div><div><br></div><br><div><div>On Aug 13, 2009, at 1:40 AM, TRINA BOSE wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div>Hi Jenifer<br><br>Tried your suggestion...<br><br>ga-> set x 1<br>LON set to 1 1<br>ga-> set y 1<br>LAT set to 1 1<br>ga-> set t 1 540<br>Time values set: 1960:1:1:0 2004:12:1:0<br>ga-> d o18(STID=4218200)<br>No stations to plot<br>ga-> d t(stid=4218200)<br>Syntax Error: Invalid Operand<br> 't' not a variable or function name<br> Error ocurred at column 1<br>DISPLAY error: Invalid expression<br> Expression = t(stid=4218200)<br>ga-> d o18(stid=4218200)<br>No stations to plot<br><br><br>Trina<br><br>PS: Does the stid needs to be alphabets/alphanumeric?<br><br><br>On Wed, 12 Aug 2009 09:52:26 -0400, Jennifer Adams wrote<br><blockquote type="cite">To get a time series at a single station, you need to use the station<br></blockquote><blockquote type="cite">ID, instead of fixing the lat/lon. Try this:<br></blockquote><blockquote type="cite">'set x 1'<br></blockquote><blockquote type="cite">'set y 1'<br></blockquote><blockquote type="cite">'set t 1 last'<br></blockquote><blockquote type="cite">'d t(stid=<putSTIDhere>)'<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">--Jennifer<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">On Aug 12, 2009, at 9:32 AM, TRINA BOSE wrote:<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><blockquote type="cite">My q config:<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">Config: v2.0.a3 little-endian readline printim grib2 netcdf hdf4-sds<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">Grid Analysis and Display System (GrADS) Version 2.0.a3<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">Copyright (c) 1988-2008 by Brian Doty and the<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">Institute for Global Environment and Society (IGES)<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">This program is distributed WITHOUT ANY WARRANTY<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">See file COPYRIGHT for more information.<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">Built Mon Aug 11 10:43:35 EDT 2008 for x86_64-unknown-linux-gnu<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">This version of GrADS has been configured with the following options:<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"> o Built on a LITTLE ENDIAN machine<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"> o Command line editing ENABLED<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"> <a href="http://tiswww.case.edu/php/chet/readline/rltop.html">http://tiswww.case.edu/php/chet/readline/rltop.html</a><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"> o printim command for image output ENABLED<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"> <a href="http://www.zlib.net">http://www.zlib.net</a><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"> <a href="http://www.libpng.org/pub/png/libpng.html">http://www.libpng.org/pub/png/libpng.html</a><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"> <a href="http://www.libgd.org/Main_Page">http://www.libgd.org/Main_Page</a><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"> o GRIB2 interface ENABLED<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"> <a href="http://www.ijg.org">http://www.ijg.org</a><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"> <a href="http://www.ece.uvic.ca/~mdadams/jasper">http://www.ece.uvic.ca/~mdadams/jasper</a><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"> <a href="http://www.nco.ncep.noaa.gov/pmb/codes/GRIB2">http://www.nco.ncep.noaa.gov/pmb/codes/GRIB2</a><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"> g2clib-1.0.5<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"> o NetCDF interface ENABLED<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"> <a href="http://www.unidata.ucar.edu/software/netcdf">http://www.unidata.ucar.edu/software/netcdf</a><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"> netcdf "3.6.2" of Feb 22 2008 10:37:08 $<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"> o NCSA HDF interface ENABLED<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"> <a href="http://hdf.ncsa.uiuc.edu">http://hdf.ncsa.uiuc.edu</a><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"> HDF4.2r3<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"> o Athena Widget GUI DISABLED<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"> o OPeNDAP gridded data interface DISABLED<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"> o OPeNDAP station data interface DISABLED<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">Problem:<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">I followed the instruction in the grads index about station data<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">input in C and F. The<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">input data looks like:<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">1960 01 4218200 28.58 77.20 -999.00 -999.00 10.00 14.10 9.40<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">1960 02 4218200 28.58 77.20 -999.00 -999.00 0.00 19.70 9.40<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">I changed the read statement in F example in following points:<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite">Added * in place of format<br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite">Changed input and output filenames and RVAL to o18<br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">The stnmap went ok but when opened the ctl in grads the data<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">displays as number in a<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">time lapse animation but when I set the lon and lat of the station<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">and want to see the<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">t-distribution the prompt say "no stations to plot".<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">I tried the same in C sample with changed input and output filenames<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">and RVAL to o18,<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">but with same results.<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">Please help.<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">sincerely<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">Trina Bose<br></blockquote></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">--<br></blockquote><blockquote type="cite">Jennifer M. Adams<br></blockquote><blockquote type="cite">IGES/COLA<br></blockquote><blockquote type="cite">4041 Powder Mill Road, Suite 302<br></blockquote><blockquote type="cite">Calverton, MD 20705<br></blockquote><blockquote type="cite"><a href="mailto:jma@cola.iges.org">jma@cola.iges.org</a><br></blockquote><br><br>sincerely<br><br>Trina Bose<br>Research Fellow<br>Indian Institute of Tropical Meteorology<br>Dr. Homi Bhabha Road, Pashan, Pune-411008<br>Ph.: 020 25904430<br></div></blockquote></div><br><div apple-content-edited="true"> <span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><div style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; "><span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><div>--</div><div>Jennifer M. Adams</div><div>IGES/COLA</div><div>4041 Powder Mill Road, Suite 302</div><div>Calverton, MD 20705</div><div><a href="mailto:jma@cola.iges.org">jma@cola.iges.org</a></div><div><br class="khtml-block-placeholder"></div><br class="Apple-interchange-newline"></span></span></div></span> </div><br></body></html>