Sensing integrated water vapor along GPS ray paths
We demonstrate sensing of integrated slant‐path water vapor (SWV) along ray paths between Global Positioning System (GPS) satellites and receivers. We use double differencing to remove GPS receiver and satellite clock errors and 85‐cm diameter choke ring antennas to reduce ground‐reflected multipath...
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| Veröffentlicht in: | Geophysical research letters 1997-02, Vol.24 (4), p.417-420 |
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| container_end_page | 420 |
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| container_title | Geophysical research letters |
| container_volume | 24 |
| creator | Ware, Randolph Alber, Chris Rocken, Christian Solheim, Fredrick |
| description | We demonstrate sensing of integrated slant‐path water vapor (SWV) along ray paths between Global Positioning System (GPS) satellites and receivers. We use double differencing to remove GPS receiver and satellite clock errors and 85‐cm diameter choke ring antennas to reduce ground‐reflected multipath. We compare more than 17,000 GPS and pointed radiometer double difference observations above 20° elevation and find 1.3 mm rms agreement. Potential applications for SWV data include local and regional weather modeling and prediction, correction for slant wet delay effects in GPS surveying and orbit determination, and synthetic aperture radar (SAR) imaging. The method is viable during all weather conditions. |
| doi_str_mv | 10.1029/97GL00080 |
| format | Article |
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We use double differencing to remove GPS receiver and satellite clock errors and 85‐cm diameter choke ring antennas to reduce ground‐reflected multipath. We compare more than 17,000 GPS and pointed radiometer double difference observations above 20° elevation and find 1.3 mm rms agreement. Potential applications for SWV data include local and regional weather modeling and prediction, correction for slant wet delay effects in GPS surveying and orbit determination, and synthetic aperture radar (SAR) imaging. The method is viable during all weather conditions.</description><identifier>ISSN: 0094-8276</identifier><identifier>EISSN: 1944-8007</identifier><identifier>DOI: 10.1029/97GL00080</identifier><identifier>CODEN: GPRLAJ</identifier><language>eng</language><publisher>Washington, DC: Blackwell Publishing Ltd</publisher><subject>Detection ; Earth, ocean, space ; Exact sciences and technology ; External geophysics ; Geophysics. 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Res. Lett</addtitle><description>We demonstrate sensing of integrated slant‐path water vapor (SWV) along ray paths between Global Positioning System (GPS) satellites and receivers. We use double differencing to remove GPS receiver and satellite clock errors and 85‐cm diameter choke ring antennas to reduce ground‐reflected multipath. We compare more than 17,000 GPS and pointed radiometer double difference observations above 20° elevation and find 1.3 mm rms agreement. Potential applications for SWV data include local and regional weather modeling and prediction, correction for slant wet delay effects in GPS surveying and orbit determination, and synthetic aperture radar (SAR) imaging. The method is viable during all weather conditions.</description><subject>Detection</subject><subject>Earth, ocean, space</subject><subject>Exact sciences and technology</subject><subject>External geophysics</subject><subject>Geophysics. Techniques, methods, instrumentation and models</subject><subject>Global Positioning System</subject><subject>Mathematical models</subject><subject>Receivers</subject><subject>Satellite navigation systems</subject><subject>Satellites</subject><subject>Synthetic aperture radar</subject><subject>Water vapor</subject><issn>0094-8276</issn><issn>1944-8007</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1997</creationdate><recordtype>article</recordtype><recordid>eNqF0D1PwzAQBmALgUT5GPgHGRCCIeBvxyMUGpAqQBTEaB3uBQIhKXYK9N-TqlU3YDmf5Od9hyNkj9FjRrk9sSYfUkozukZ6zEqZZpSaddKj1HY7N3qTbMX42hFBBesRPsI6lvVzUtYtPgdocZx8dTMknzBpQgJV033mt6MkwCyZQPsSd8hGAVXE3eW7TR4GF_f9y3R4k1_1T4epl1ZnKWprQVOtBNPjQgPVwDQWTD0pEJnnCkEKtBaVVmPu5dgjsicqhZEF88aKbXKw6J2E5mOKsXXvZfRYVVBjM42OZUwKZufw8G-oJefWGq7-p4pLSZkRc3q0oD40MQYs3CSU7xBmjlE3v7Vb3bqz-8taiB6qIkDty7gKcJWxTM_Z8YJ9lRXOfu9z-d3QWp51gXQRKGOL36sAhDenjTDKPV7n7mz0eH173h-5gfgBGY6X7Q</recordid><startdate>19970215</startdate><enddate>19970215</enddate><creator>Ware, Randolph</creator><creator>Alber, Chris</creator><creator>Rocken, Christian</creator><creator>Solheim, Fredrick</creator><general>Blackwell Publishing Ltd</general><general>American Geophysical Union</general><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QH</scope><scope>7TG</scope><scope>7UA</scope><scope>C1K</scope><scope>F1W</scope><scope>H96</scope><scope>KL.</scope><scope>L.G</scope><scope>8FD</scope><scope>FR3</scope><scope>H8D</scope><scope>KR7</scope><scope>L7M</scope></search><sort><creationdate>19970215</creationdate><title>Sensing integrated water vapor along GPS ray paths</title><author>Ware, Randolph ; Alber, Chris ; Rocken, Christian ; Solheim, Fredrick</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4968-e699a6065316df6a06a16ef15b5a38c25ea43e99e565d2c4dcee1b04374f1c793</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1997</creationdate><topic>Detection</topic><topic>Earth, ocean, space</topic><topic>Exact sciences and technology</topic><topic>External geophysics</topic><topic>Geophysics. Techniques, methods, instrumentation and models</topic><topic>Global Positioning System</topic><topic>Mathematical models</topic><topic>Receivers</topic><topic>Satellite navigation systems</topic><topic>Satellites</topic><topic>Synthetic aperture radar</topic><topic>Water vapor</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ware, Randolph</creatorcontrib><creatorcontrib>Alber, Chris</creatorcontrib><creatorcontrib>Rocken, Christian</creatorcontrib><creatorcontrib>Solheim, Fredrick</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Aqualine</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Water Resources Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Geophysical research letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ware, Randolph</au><au>Alber, Chris</au><au>Rocken, Christian</au><au>Solheim, Fredrick</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Sensing integrated water vapor along GPS ray paths</atitle><jtitle>Geophysical research letters</jtitle><addtitle>Geophys. Res. Lett</addtitle><date>1997-02-15</date><risdate>1997</risdate><volume>24</volume><issue>4</issue><spage>417</spage><epage>420</epage><pages>417-420</pages><issn>0094-8276</issn><eissn>1944-8007</eissn><coden>GPRLAJ</coden><abstract>We demonstrate sensing of integrated slant‐path water vapor (SWV) along ray paths between Global Positioning System (GPS) satellites and receivers. We use double differencing to remove GPS receiver and satellite clock errors and 85‐cm diameter choke ring antennas to reduce ground‐reflected multipath. We compare more than 17,000 GPS and pointed radiometer double difference observations above 20° elevation and find 1.3 mm rms agreement. Potential applications for SWV data include local and regional weather modeling and prediction, correction for slant wet delay effects in GPS surveying and orbit determination, and synthetic aperture radar (SAR) imaging. The method is viable during all weather conditions.</abstract><cop>Washington, DC</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1029/97GL00080</doi><tpages>4</tpages></addata></record> |
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| identifier | ISSN: 0094-8276 |
| ispartof | Geophysical research letters, 1997-02, Vol.24 (4), p.417-420 |
| issn | 0094-8276 1944-8007 |
| language | eng |
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| source | Wiley Online Library Journals Frontfile Complete; Wiley Online Library Free Content; Wiley Online Library AGU Free Content; EZB-FREE-00999 freely available EZB journals |
| subjects | Detection Earth, ocean, space Exact sciences and technology External geophysics Geophysics. Techniques, methods, instrumentation and models Global Positioning System Mathematical models Receivers Satellite navigation systems Satellites Synthetic aperture radar Water vapor |
| title | Sensing integrated water vapor along GPS ray paths |
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