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Advanced space rubidium atomic frequency standard for satellite navigation
NavIC (Navigation with Indian Constellation) is a regional satellite navigation system called Indian Regional Navigation Satellite System (IRNSS). The NavIC is presently composed of seven operational satellite configuration geometry. We present indigenously designed and developed RAFS for NavIC, nam...
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| Published in: | GPS solutions 2022-04, Vol.26 (2), Article 54 |
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| container_title | GPS solutions |
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| creator | Bandi, Thejesh N. |
| description | NavIC (Navigation with Indian Constellation) is a regional satellite navigation system called Indian Regional Navigation Satellite System (IRNSS). The NavIC is presently composed of seven operational satellite configuration geometry. We present indigenously designed and developed RAFS for NavIC, named IRAFS—Indian Rubidium Atomic Frequency Standard. The IRAFS Physics Package (PP) and electronics have novel design features, as explained in this article. We present the IRAFS performances tested in thermo-vacuum conditions demonstrating |
| doi_str_mv | 10.1007/s10291-022-01239-x |
| format | article |
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–12
τ
−1/2
stability, reaching a flicker floor of 3 × 10
–14
with a drift of < 5 × 10
–13
/day. The IRAFS has a mass of 7.6 kg, a volume of 16 L, and consumes power of 75 W at warm-up and < 40 W in normal operation.</description><identifier>ISSN: 1080-5370</identifier><identifier>EISSN: 1521-1886</identifier><identifier>DOI: 10.1007/s10291-022-01239-x</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Atmospheric Sciences ; Automotive Engineering ; Clocks & watches ; Crystal oscillators ; Earth and Environmental Science ; Earth Sciences ; Electrical Engineering ; Field programmable gate arrays ; Flicker ; Frequency standards ; Geophysics/Geodesy ; Indian spacecraft ; Magnetic fields ; Navigation satellites ; Navigation systems ; Original Article ; Physics ; Power consumption ; Rubidium ; Satellite configurations ; Satellite constellations ; Satellite navigation systems ; Satellites ; Space Exploration and Astronautics ; Space Sciences (including Extraterrestrial Physics ; Temperature effects</subject><ispartof>GPS solutions, 2022-04, Vol.26 (2), Article 54</ispartof><rights>The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022</rights><rights>The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c319t-a4c0d15fab8ef8c00bddeaafdf498fda569c1ff23302412a4a91a3e20f22e2ba3</citedby><cites>FETCH-LOGICAL-c319t-a4c0d15fab8ef8c00bddeaafdf498fda569c1ff23302412a4a91a3e20f22e2ba3</cites><orcidid>0000-0001-7463-7301</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Bandi, Thejesh N.</creatorcontrib><creatorcontrib>the clock team</creatorcontrib><title>Advanced space rubidium atomic frequency standard for satellite navigation</title><title>GPS solutions</title><addtitle>GPS Solut</addtitle><description>NavIC (Navigation with Indian Constellation) is a regional satellite navigation system called Indian Regional Navigation Satellite System (IRNSS). The NavIC is presently composed of seven operational satellite configuration geometry. We present indigenously designed and developed RAFS for NavIC, named IRAFS—Indian Rubidium Atomic Frequency Standard. The IRAFS Physics Package (PP) and electronics have novel design features, as explained in this article. We present the IRAFS performances tested in thermo-vacuum conditions demonstrating < 2 × 10
–12
τ
−1/2
stability, reaching a flicker floor of 3 × 10
–14
with a drift of < 5 × 10
–13
/day. The IRAFS has a mass of 7.6 kg, a volume of 16 L, and consumes power of 75 W at warm-up and < 40 W in normal operation.</description><subject>Atmospheric Sciences</subject><subject>Automotive Engineering</subject><subject>Clocks & watches</subject><subject>Crystal oscillators</subject><subject>Earth and Environmental Science</subject><subject>Earth Sciences</subject><subject>Electrical Engineering</subject><subject>Field programmable gate arrays</subject><subject>Flicker</subject><subject>Frequency standards</subject><subject>Geophysics/Geodesy</subject><subject>Indian spacecraft</subject><subject>Magnetic fields</subject><subject>Navigation satellites</subject><subject>Navigation systems</subject><subject>Original Article</subject><subject>Physics</subject><subject>Power consumption</subject><subject>Rubidium</subject><subject>Satellite configurations</subject><subject>Satellite constellations</subject><subject>Satellite navigation 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Science</topic><topic>Earth Sciences</topic><topic>Electrical Engineering</topic><topic>Field programmable gate arrays</topic><topic>Flicker</topic><topic>Frequency standards</topic><topic>Geophysics/Geodesy</topic><topic>Indian spacecraft</topic><topic>Magnetic fields</topic><topic>Navigation satellites</topic><topic>Navigation systems</topic><topic>Original Article</topic><topic>Physics</topic><topic>Power consumption</topic><topic>Rubidium</topic><topic>Satellite configurations</topic><topic>Satellite constellations</topic><topic>Satellite navigation systems</topic><topic>Satellites</topic><topic>Space Exploration and Astronautics</topic><topic>Space Sciences (including Extraterrestrial Physics</topic><topic>Temperature effects</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Bandi, Thejesh N.</creatorcontrib><creatorcontrib>the clock team</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>ProQuest Central</collection><collection>AUTh Library subscriptions: ProQuest Central</collection><collection>ProQuest Natural Science Collection</collection><collection>Earth, Atmospheric & Aquatic Science Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central</collection><collection>Aerospace Database</collection><collection>SciTech Premium Collection</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Earth, Atmospheric & Aquatic Science Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><jtitle>GPS solutions</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Bandi, Thejesh N.</au><aucorp>the clock team</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Advanced space rubidium atomic frequency standard for satellite navigation</atitle><jtitle>GPS solutions</jtitle><stitle>GPS Solut</stitle><date>2022-04-01</date><risdate>2022</risdate><volume>26</volume><issue>2</issue><artnum>54</artnum><issn>1080-5370</issn><eissn>1521-1886</eissn><abstract>NavIC (Navigation with Indian Constellation) is a regional satellite navigation system called Indian Regional Navigation Satellite System (IRNSS). The NavIC is presently composed of seven operational satellite configuration geometry. We present indigenously designed and developed RAFS for NavIC, named IRAFS—Indian Rubidium Atomic Frequency Standard. The IRAFS Physics Package (PP) and electronics have novel design features, as explained in this article. We present the IRAFS performances tested in thermo-vacuum conditions demonstrating < 2 × 10
–12
τ
−1/2
stability, reaching a flicker floor of 3 × 10
–14
with a drift of < 5 × 10
–13
/day. The IRAFS has a mass of 7.6 kg, a volume of 16 L, and consumes power of 75 W at warm-up and < 40 W in normal operation.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1007/s10291-022-01239-x</doi><orcidid>https://orcid.org/0000-0001-7463-7301</orcidid></addata></record> |
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| ispartof | GPS solutions, 2022-04, Vol.26 (2), Article 54 |
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| language | eng |
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| source | Springer Nature |
| subjects | Atmospheric Sciences Automotive Engineering Clocks & watches Crystal oscillators Earth and Environmental Science Earth Sciences Electrical Engineering Field programmable gate arrays Flicker Frequency standards Geophysics/Geodesy Indian spacecraft Magnetic fields Navigation satellites Navigation systems Original Article Physics Power consumption Rubidium Satellite configurations Satellite constellations Satellite navigation systems Satellites Space Exploration and Astronautics Space Sciences (including Extraterrestrial Physics Temperature effects |
| title | Advanced space rubidium atomic frequency standard for satellite navigation |
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