{"id":255,"date":"2015-07-09T07:48:58","date_gmt":"2015-07-09T07:48:58","guid":{"rendered":"http:\/\/www.nwpsaf.eu\/site\/?page_id=255"},"modified":"2017-11-08T12:04:59","modified_gmt":"2017-11-08T12:04:59","slug":"dbnet-atovs","status":"publish","type":"page","link":"https:\/\/nwp-saf.eumetsat.int\/site\/monitoring\/dbnet\/dbnet-atovs\/","title":{"rendered":"DBNet &#8211; ATOVS retransmission services"},"content":{"rendered":"<h1>DBNet ATOVS<\/h1>\n<h2>Regional ATOVS retransmission services<\/h2>\n<p>The first ATOVS retransmission service was set up by EUMETSAT in 2002 (the original EARS service), and the global RARS initiative started in 2006. The term RARS now refers to the <em>ATOVS<\/em> component of DBNet. <\/p>\n<p>The comparisons shown on this page are made with HIRS level 1d data (HIRS, AMSU-A and AMSU-B\/MHS on the HIRS grid). The level 1d files are generated using AAPP from the incoming level 1c regional data, and are compared with the corresponding level 1d files generated from global level 1b data from NOAA.<\/p>\n<p>Station names are marked with the regional network to which they belong: [E]=EARS, [AP]=Asia-Pacific RARS, [SA]=South American RARS. The &#8220;Time of day&#8221; is not applicable to &#8220;Latest&#8221; data.<\/p>\n<div id=\"dbnetapp\">\n<div id=\"optionform\" style=\"float: left;\">\n<form action=\"\" name=\"earsrarsmonitor\">\n<table class=\"tableBorder\" border=\"0\" summary=\"Table to select EARS\/RARS plots\" width=\"100%\" cellspacing=\"0\" cellpadding=\"5\">\n<tbody>\n<tr>\n<td class=\"tablecellBorderWhiteHighlight\"><strong>Satellite<\/strong><br \/>\n<select id=\"sat\" name=\"sat\" onchange=\"plotObtype()\"><option value=\"18\">NOAA-18<\/option><option value=\"19\">NOAA-19<\/option><option value=\"M02\">MetOp-A<\/option><option value=\"M01\">MetOp-B<\/option><\/select><\/td>\n<td class=\"tablecellBorderWhiteHighlight\"><strong>Station<\/strong><br \/>\n<select name=\"station\" onchange=\"plotObtype()\"><option value=\"local\">Exeter (UK)<\/option><option value=\"masl1c\">[E] Maspalomas (Canaries)<\/option><option value=\"kanl1c\">[E] Kangerlussuaq (Greenland)<\/option><option value=\"edml1c\">[E] Edmonton (Canada)<\/option><option value=\"athl1c\">[E] Athens (Greece)<\/option><option value=\"wall1c\">[E] Wallops (USA)<\/option><option value=\"gill1c\">[E] Gilmore (USA)<\/option><option value=\"monl1c\">[E] Monterey (USA)<\/option><option value=\"lanl1c\">[E] Lannion (France)<\/option><option value=\"ganl1c\">[E] Gander (Newfoundland)<\/option><option value=\"sval1c\">[E] Svalbard (Arctic)<\/option><option value=\"mial1c\">[E] Miami (Florida)<\/option><option value=\"forl1c\">[E] Ford Island (Hawaii)<\/option><option value=\"stdl1c\">[E] St Denis (La Reunion)<\/option><option value=\"mosl1c\">[E] Moscow<\/option><option value=\"musl1c\">[E] Muscat (Oman)<\/option><option value=\"novl1c\">[E] Novosibirsk (Siberia)<\/option><option value=\"khal1c\">[E] Khabarovsk (Siberia)<\/option><option value=\"mell1c\">[AP] Melbourne (Australia)<\/option><option value=\"pthl1c\">[AP] Perth (Australia)<\/option><option value=\"darl1c\">[AP] Darwin (Australia)<\/option><option value=\"tvll1c\">[AP] Townsville (Australia)<\/option><option value=\"dvsl1c\">[AP] Davis (Antarctica)<\/option><option value=\"csyl1c\">[AP] Casey (Antarctica)<\/option><option value=\"syol1c\">[AP] Syowa (Antarctica)<\/option><option value=\"kiyl1c\">[AP] Kiyose (Japan)<\/option><option value=\"pekl1c\">[AP] Beijing (China)<\/option><option value=\"sgpl1c\">[AP] Singapore<\/option><option value=\"kell1c\">[AP] Maupuia (New Zealand)<\/option><option value=\"hkgl1c\">[AP] Hong Kong<\/option><option value=\"seol1c\">[AP] Jincheon (Korea)<\/option><option value=\"papl1c\">[AP] Tahiti<\/option><option value=\"dell1c\">[AP] New Delhi (India)<\/option><option value=\"chel1c\">[AP] Chennai (India)<\/option><option value=\"cptl1c\">[SA] Cachoeira Paulista (Brazil)<\/option><option value=\"inml1c\">[SA] Brasilia (Brazil)<\/option><option value=\"cbal1c\">[SA] Cuiaba (Brazil)<\/option><option value=\"fcml1c\">[SA] Fortaleza (Brazil)<\/option><option value=\"natl1c\">[SA] Natal (Brazil)<\/option><option value=\"etcl1c\">[SA] Cordoba (Argentina)<\/option><option value=\"etsl1c\">[SA] Santiago (Chile)<\/option><option value=\"ebml1c\">[SA] Marambio (Antarctica)<\/option><\/select><\/td>\n<td class=\"tablecellBorderWhiteHighlight\"><strong>Display<\/strong><br \/>\n<select id=\"item\" name=\"item\" onchange=\"plotObtype()\"><option value=\"ch35\">AMSU Channel 15<\/option><!--# \n<option value=\"map\">Mapping<\/option>--><option value=\"plots\">All Channels<\/option><option value=\"warn\">Warning<\/option><\/select><\/td>\n<td class=\"tablecellBorderWhiteHighlight\"><strong>Day<\/strong><br \/>\n<select id=\"day\" name=\"day\" onchange=\"plotObtype()\"><option value=\"latest\">Latest<\/option><option value=\"Sunday\">Sunday<\/option><option value=\"Monday\">Monday<\/option><option value=\"Tuesday\">Tuesday<\/option><option value=\"Wednesday\">Wednesday<\/option><option value=\"Thursday\">Thursday<\/option><option value=\"Friday\">Friday<\/option><option value=\"Saturday\">Saturday<\/option><\/select><\/td>\n<td class=\"tablecellBorderWhiteHighlight\"><strong>Time of day<\/strong><br \/>\n<select id=\"timeofday\" name=\"timeofday\" onchange=\"plotObtype()\"><option value=\"am\">AM<\/option><option value=\"pm\">PM<\/option><\/select><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/form>\n<\/div>\n<div id=\"imageholder\"><img decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/nwp-saf.eumetsat.int\/monitoring\/ears\/images\/local_ch35_19.gif\" alt=\"No data available\" name=\"img\" \/><\/div>\n<\/div>\n<div style=\"clear: both;\">Explanation of monitoring files:<\/p>\n<ul>\n<ul>\n<li><strong>AMSU Channel 15<\/strong> is a map of the brightness temperature difference between RARS and global data for AMSU-A channel 15 (89.0 GHz). For NOAA-17, AMSU-B channel 1 (also 89 GHz) is used instead of AMSU-A.<\/li>\n<li><strong>All Channels<\/strong> shows the difference in brightness temperature for each instrument channel, plotted against the global brightness temperatures.<\/li>\n<li><strong>Warnings<\/strong> are text files generated if differences between RARS and global data are above a defined tolerance. The navigation differences are recorded, together with the brightness temperature differences for each channel &#8211; standard deviation and bias. Navigation differences of a few km are to be expected due to different navigation methods. Channels 1-20 are HIRS, channels 21-35 are AMSU-A and channels 35-40 are AMSU-B\/MHS.<\/li>\n<\/ul>\n<\/ul>\n<p><!--#\n \t\n\n<li>\n      <strong>Mapping<\/strong> contains a plot of the regional navigated HIRS fields of view superimposed upon the Global, providing a graphical display of the navigation error.<\/li>\n\n\n--><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>DBNet ATOVS Regional ATOVS retransmission services The first ATOVS retransmission service was set up by EUMETSAT in 2002 (the original EARS service), and the global RARS initiative started in 2006. The term RARS now refers to the ATOVS component of DBNet. The comparisons shown on this page are made with HIRS level 1d data (HIRS, AMSU-A and AMSU-B\/MHS on the HIRS grid). The level 1d files are generated using AAPP from the incoming level 1c regional data, and are compared with the corresponding level 1d files generated from global level 1b data from NOAA. Station names are marked with the [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":1762,"menu_order":0,"comment_status":"open","ping_status":"open","template":"","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":""},"class_list":["post-255","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/nwp-saf.eumetsat.int\/site\/wp-json\/wp\/v2\/pages\/255","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nwp-saf.eumetsat.int\/site\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/nwp-saf.eumetsat.int\/site\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/nwp-saf.eumetsat.int\/site\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/nwp-saf.eumetsat.int\/site\/wp-json\/wp\/v2\/comments?post=255"}],"version-history":[{"count":0,"href":"https:\/\/nwp-saf.eumetsat.int\/site\/wp-json\/wp\/v2\/pages\/255\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/nwp-saf.eumetsat.int\/site\/wp-json\/wp\/v2\/pages\/1762"}],"wp:attachment":[{"href":"https:\/\/nwp-saf.eumetsat.int\/site\/wp-json\/wp\/v2\/media?parent=255"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}