mirror of https://github.com/ecmwf/eccodes.git
449 lines
14 KiB
HTML
449 lines
14 KiB
HTML
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<head profile="http://purl.org/metadata/dublin_core">
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<META http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
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<META content="$Author: Enrico Fucile $" name="DC.Creator" />
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<title>GRIB API Manual</title>
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"text/css">
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<tr>
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<td align="center" valign="middle" width="136" bgcolor="#EEEEDE"><a
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href="/samples/d/banner/page.html"><img alt="Discover this product"
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border="0" width="136" height="64" src=
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"/samples/d/banner/image.jpg"></a></td>
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<td align="right" bgcolor="#EEEEDE">
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<table summary="Formatting Table: Top Navigation" cellpadding="2"
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cellspacing="0" border="0" width="100%">
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<td valign="top" bgcolor="#EEEEDE" width="16%"><a href=
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"/about/"><span class="topnav">About Us</span></a><br>
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<a class="topnav1" href="/about/overview/">Overview</a><br>
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<a class="topnav1" href="/about/location/">Getting here</a><br>
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<a class="topnav1" href="/about/committees/">Committees</a> </td>
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"/products/"><span class="topnav">Products</span></a><br>
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<a class="topnav1" href="/products/forecasts/">Forecasts</a><br>
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<a class="topnav1" href="/products/data/">Order Data</a><br>
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<a class="topnav1" href="/products/data/software/">Order
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Software</a><br>
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<td valign="top" bgcolor="#EEEEDE" width="16%"><a href=
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"/services/"><span class="topnav">Services</span></a><br>
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<a class="topnav1" href="/services/computing/">Computing</a><br>
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<a class="topnav1" href="/services/archive/">Archive</a><br>
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<a class="topnav1" href="/services/prepifs/">PrepIFS</a><br>
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</td>
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<td valign="top" bgcolor="#EEEEDE" width="16%"><a href=
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"/research/"><span class="topnav">Research</span></a><br>
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<a class="topnav1" href="/research/ifs/">Modelling</a><br>
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<a class="topnav1" href="/research/era/">Reanalysis</a><br>
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<a class="topnav1" href="/research/seasonal/">Seasonal</a><br>
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"/publications/"><span class="topnav">Publications</span></a><br>
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"/publications/newsletters/">Newsletters</a><br>
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<a class="topnav1" href="/publications/manuals/">Manuals</a><br>
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<a class="topnav1" href="/publications/manuals/libraries">Libraries</a><br>
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<td valign="top" bgcolor="#EEEEDE" width="20%"><a href=
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"/newsevents/"><span class="topnav">News&Events</span></a><br>
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<a class="topnav1" href="/newsevents/calendar/">Calendar</a><br>
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<a class="topnav1" href="/newsevents/employment/">Employment</a><a
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class="topnav1" href="/newsevents/calendar/"></a><br>
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<a class="topnav1" href="/newsevents/itt/">Open Tenders</a><br>
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class="location"><a href="/">Home</a> >
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<a href= "/publications/manuals/index.html">Manuals</a> >
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"/assets/images/map_backdrop.jpg"><!-- #BeginEditable "submenu" -->
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cellpadding="1" cellspacing="0" width="100%" class="submenu">
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<tbody>
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<tr>
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<td><a class="menuheading" href=
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"/publications/manuals/grib_api/index.html">GRIB API Manual</a> </td>
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</tr>
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<td>
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<table bgcolor="#ffffff" border="0" cellpadding="3" cellspacing="0"
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width="100%">
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<td>
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<table bgcolor="#ffffff" width="100%">
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<td><a class="menuitem" href=
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"/publications/manuals/grib_api/installation.html">Installation</a></td>
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<tr>
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<td><a class="menuitem" href=
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"/publications/manuals/grib_api/namespacegribapi.html">Python</a></td>
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</tr>
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<tr>
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<td><a class="menuitem" href=
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"/publications/manuals/grib_api/namespacegrib__api.html">Fortran 90</a></td>
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</tr>
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<tr>
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<td><a class="menuitem" href=
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"/publications/manuals/grib_api/modules.html">C</a></td>
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</tr>
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<tr>
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<td><a class="menuitem" href=
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"/publications/manuals/grib_api/conversion.html">GRIB Conversion</a></td>
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</tr>
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<td><a class="menuitem" href=
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"/publications/manuals/grib_api/gribexkeys/callGribex.html">GRIBEX keys</a></td>
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</tr>
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<tr>
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<td><a class="menuitem" href=
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"/publications/manuals/grib_api/keys.html">Keys</a></td>
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</tr>
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<tr>
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<td><a class="menuitem" href=
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"/publications/manuals/grib_api/grib_examples.html">Examples</a></td>
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</tr>
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<tr>
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<td><a class="menuitem" href=
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"/publications/manuals/grib_api/tools.html">Tools</a></td>
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</tr>
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</table>
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</td>
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</tr>
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</table>
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</td>
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</tr>
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</tbody>
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</table>
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<br>
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<!-- - - NAME = [archive]- - - - - - - -->
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<!-- #BeginLibraryItem "/PRODUCTS/DATA/LIBRARY/software_menu.lbi" --><!-- + + + + + NAME = [Data]+ + + + + + + + + -->
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<table background="/assets/shim.gif" bgcolor="#FFF1B3" border="0"
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cellpadding="1" cellspacing="0" width="100%" class="submenu">
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<tbody>
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<tr>
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<td><a class="menuheading" href=
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"/products/data/software/index.html">Software</a> </td>
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<tr>
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<td>
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<table bgcolor="#ffffff" border="0" cellpadding="3" cellspacing="0"
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width="100%">
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<tr>
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<td>
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<table bgcolor="#ffffff" width="100%">
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<tr>
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<td><a class="menuitem" href=
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"/products/data/software/bufr.html">BUFR</a></td>
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</tr>
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<tr>
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<td><a class="menuitem" href=
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"/products/data/software/crex.html">CREX</a></td>
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</tr>
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<tr>
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<td><a class="menuitem" href=
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"/products/data/software/grib.html">GRIBEX</a></td>
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</tr>
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<tr>
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<td><a class="menuitem" href=
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"/products/data/software/grib_api.html">GRIB API</a></td>
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</tr>
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<tr>
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<td><a class="menuitem" href=
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"/products/data/software/interpolation.html">Interpolation</a></td>
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</tr>
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<tr>
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<td><a class="menuitem" href=
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"/products/data/software/magics.html">Magics</a></td>
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</tr>
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<tr>
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<td><a class="menuitem" href=
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"/products/data/software/metview.html">Metview</a></td>
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</tr>
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<tr>
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<td><a class="menuitem" href=
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"/products/data/software/sms.html">SMS</a></td>
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</tr>
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<tr>
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<td><a class="menuitem" href=
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"/products/data/software/forms/ECMWF_software_ordering_form.pdf">Ordering
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forms</a> <img src="/products/data/archive/forms/pdf.gif" width=
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"20" height="20"></td>
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</tr>
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<tr>
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<td><a class="menuitem" href=
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"/products/data/software/forms/ECMWF_software_licence.pdf">Software
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licence<img src="/products/data/archive/forms/pdf.gif" width="20"
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height="20" border="0"></a></td>
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</tr>
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<tr>
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<td><a class="menuitem" href=
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"/products/data/software/payment.html">Payment rules</a></td>
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</tr>
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</table>
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</td>
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</tr>
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</table>
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</td>
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</tr>
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</tbody>
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</table>
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<br>
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<!-- - - NAME = [archive]- - - - - - - -->
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<!-- #EndLibraryItem --><!-- #BeginLibraryItem "/products/data/Library/software_rel6.lbi" --><!-- + + + + + NAME = [Data]+ + + + + + + + + -->
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<table background="/assets/shim.gif" bgcolor="#CCCE9B" border="0"
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cellpadding="1" cellspacing="0" width="100%" class="submenu">
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<tbody>
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<tr>
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<td><span><a class="menuheading" href=
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"/publications/manuals/index.html">Related Manuals</a></span></td>
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</tr>
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<tr>
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<td></td>
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<tr>
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<td>
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<table bgcolor="#ffffff" border="0" cellpadding="3" cellspacing="0"
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width="100%">
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<tr>
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<td>
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<table bgcolor="#ffffff" width="100%">
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<tr>
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<td><a class="menuitem" href=
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"/publications/manuals/libraries/gribex/index.html">GRIBEX
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manual</a> </td>
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</tr>
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<tr>
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<td><a class="menuitem" href=
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"/publications/manuals/libraries/interpolation/index.html">Interpolation
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manual</a> </td>
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</tr>
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<tr>
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<td><a class="menuitem" href=
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"/publications/manuals/metview/index.html">Metview Manuals</a></td>
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</tr>
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<tr>
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<td>
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<p><a class="menuitem" href=
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"/publications/manuals/magics/index.html">Magics Manuals</a></p>
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</td>
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</tr>
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</table>
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</td>
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</tr>
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</table>
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</td>
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</tr>
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</tbody>
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</table>
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<br>
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<!-- - - NAME = [data]- - - - - - - --> <!-- #EndLibraryItem -->
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<!-- #EndEditable --> <br>
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</td>
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<td> </td>
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<td valign="top">
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<!-- #BeginEditable "content" ****** -->
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<h1><a name="PSEC4">Field data values.</a></h1>
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An array of field values to be encoded in GRIB code or which have been
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decoded. If there is a bitmap in the GRIB message, this array contains
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missing data indicators at appropriate places. This array is accessible
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through the GRIB_API Key "<span style="font-weight: bold;">values</span>".<br>
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<p> The value used to indicate a missing value must be supplied
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as a REAL value in <a href="psec3.html">PSEC3</a>(2) (<span
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style="font-weight: bold;">GRIB API key missingValue</span>) or as an
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INTEGER
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value in <a href="ksec3.html">KSEC3(2)</a> <span
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style="font-weight: bold;">(GRIB API Key missingValue)</span>.</p>
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<p> Although declared as REAL in GRIBEX, PSEC4 can contain
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INTEGER data. <a href="ksec4.html">KSEC4</a>(5) indicates whether
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values are integer or real<span style="font-style: italic;"><span
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