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Hi Yared, it looks like NCEP's GrADS data server is running on port 9090, not 80.</div>
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Thus the url is</div>
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<span style="font-family: Times; font-size: medium; background-color: rgb(255, 255, 255); display: inline !important">https://nomads.ncep.noaa.gov:9090/dods/gfs_0p25/gfs20190226/gfs_0p25_00z</span><br>
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Hope that helps.</div>
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--Kevin</div>
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<div class="PlainText">_____________________________________________<br>
Kevin Tyle, M.S.; Manager of Departmental Computing<br>
Dept. of Atmospheric & Environmental Sciences   <br>
University at Albany<br>
Earth Science 235, 1400 Washington Avenue                        <br>
Albany, NY 12222<br>
Email: ktyle@albany.edu<br>
Phone: 518-442-4578                             <br>
_____________________________________________<br>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> gradsusr <gradsusr-bounces@gradsusr.org> on behalf of Yared Godine <yared.godine@amu.edu.et><br>
<b>Sent:</b> Sunday, March 3, 2019 10:52 AM<br>
<b>To:</b> gradsusr<br>
<b>Subject:</b> Re: [gradsusr] About OpenGrADS</font>
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<div>Dear Bill </div>
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<div>Thank you for your message </div>
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<div>I tried that but the problem still the same.</div>
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<div>Kindly Regards!</div>
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<pre class="x_moz-quote-pre" style="color:#000000; font-size:16px; font-style:normal; font-variant-ligatures:normal; font-variant-caps:normal; font-weight:400; letter-spacing:normal; orphans:2; text-align:start; text-indent:0px; text-transform:none; widows:2; word-spacing:0px; background-color:#ffffff; text-decoration-style:initial; text-decoration-color:initial">yared</pre>
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<div><b>From: </b>"Bill Reilly" <bill_reilly@compuserve.com><br>
<b>To: </b>"gradsusr" <gradsusr@gradsusr.org><br>
<b>Sent: </b>Sunday, March 3, 2019 5:40:52 PM<br>
<b>Subject: </b>Re: [gradsusr] About OpenGrADS<br>
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<div><span face="Arial" style="font-family:Arial">Yared:<br>
<br>
Try using https:// and see if it works.<br>
<br>
Bill</span><br>
<pre class="x_moz-signature">--

Bill Reilly

(+34) 686-110-748

<a class="x_moz-txt-link-abbreviated" href="mailto:bill@passageweather.com" target="_blank">bill@passageweather.com</a>
<a class="x_moz-txt-link-abbreviated" href="http://www.passageweather.com" target="_blank">www.passageweather.com</a>

<a class="x_moz-txt-link-abbreviated" href="mailto:bill@brwebworks.com" target="_blank">bill@brwebworks.com</a>
<a class="x_moz-txt-link-abbreviated" href="http://www.brwebworks.com" target="_blank">www.brwebworks.com</a> 

</pre>
<div class="x_moz-cite-prefix">On 03/03/2019 14:23, Yared Godine wrote:<br>
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<pre class="x_moz-quote-pre">Hi @ all
I had a problem with a new Grads 2.2.1.oga.1 in window 10. After installation I used without any problem for a week but now it is doesn’t access the grads server. When I trying to open by link <a class="x_moz-txt-link-freetext" href="http://nomads.ncep.noaa.gov:80/dods/gfs_0p25/gfs20190226/gfs_0p25_00z" target="_blank">http://nomads.ncep.noaa.gov:80/dods/gfs_0p25/gfs20190226/gfs_0p25_00z</a> in OpenGrADS, after Scanning it displays like this:-
 
Error: nc_open failed to open file <a class="x_moz-txt-link-freetext" href="http://nomads.ncep.noaa.gov:80/dods/gfs_0p25/gfs20190226/gfs_0p25_00z" target="_blank">http://nomads.ncep.noaa.gov:80/dods/gfs_0p25/gfs20190226/gfs_0p25_00z</a>
NetCDF: I/O failure 

How can I fix this problem? Anyone can help me please? 

Kindly Regards

yared 


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<br>
<div>-- <br>
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<div>
<div>**********************************<br>
Yared Godine Demeke<br>
Msc. in Meteorology<br>
Instructor in Faculty of Meteorology and Hydrology<br>
Water Technology Institute<br>
Arba Minch University<br>
P. O. Box 21, Arba Minch, Ethiopia.<br>
Mobile :-( +251)-916-854-783<br>
             :-( +251)-939-171-133<br>
Email:- yared.godine@amu.edu.et & yarukidus2002@gmail.com<br>
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