{"id":34864,"date":"2019-07-10T21:59:49","date_gmt":"2019-07-10T21:59:49","guid":{"rendered":"http:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=34864"},"modified":"2019-10-30T22:26:23","modified_gmt":"2019-10-30T22:26:23","slug":"goes-17-hbt-flush","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/34864","title":{"rendered":"GOES-17 HBT Flush"},"content":{"rendered":"

\"GOES-17<\/a>

GOES-17 “Red Visible (0.64 \u00b5m)<\/em> images [click to play animation | MP4<\/strong><\/a>]<\/p><\/div>Approximately once every 239 days, a HBT (Hydrazine Bipropellant Thruster) Flush is performed on GOES-R<\/strong><\/a> series satellites — this flushing burn limits the build-up of ferric nitrate in the HBT valves. Following a GOES-17 (GOES-West)<\/em> HBT Flush that was conducted on 10 July 2019, a navigation offset of about 145 km was seen in 3 consecutive PACUS sector scans and in 2 consecutive Full Disk scans (immediately after the 10-minute image outage during the flush procedure)<\/em> — a 5-minute PACUS sector view of Baja California using “Red” Visible (0.64 \u00b5m<\/strong><\/a>) images is shown above, and a 10-minute Full Disk sector view of thermal anomalies associated with wildfires in Alaska using Shortwave Infrared (3.9 \u00b5m<\/strong><\/a>) images is shown below.<\/p>\n

\"GOES-17<\/a>

GOES-17 Shortwave Infrared (3.9 \u00b5m)<\/em> images [click to play animation | MP4<\/strong><\/a>]<\/p><\/div>Additional information on the HBT can be found in the GOES-R Series Data Book<\/strong><\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"

Approximately once every 239 days, a HBT (Hydrazine Bipropellant Thruster) Flush is performed on GOES-R series satellites — this flushing burn limits the build-up of ferric nitrate in the HBT valves. Following a GOES-17 (GOES-West) HBT Flush that was conducted on 10 July 2019, a navigation offset of about 145 km was seen in 3 […]<\/p>\n","protected":false},"author":18,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[50,80],"tags":[],"class_list":["post-34864","post","type-post","status-publish","format-standard","hentry","category-calibration","category-goes-17"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/34864","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/users\/18"}],"replies":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/comments?post=34864"}],"version-history":[{"count":8,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/34864\/revisions"}],"predecessor-version":[{"id":34924,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/34864\/revisions\/34924"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=34864"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=34864"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=34864"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}