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norsar wikipedia jump to content main menu main menu move to sidebar hide navigation main page contents current events random article about wikipedia contact us contribute help learn to edit community portal recent changes upload file special pages search search appearance donate create account log in personal tools donate create account log in contents move to sidebar hide top 1 description 2 see also 3 references 4 external links toggle the table of contents norsar 9 languages deutsch français 한국어 norsk nynorsk norsk bokmål русский svenska українська oʻzbekcha ўзбекча edit links article talk english read edit view history tools tools move to sidebar hide actions read edit view history general what links here related changes upload file permanent link page information cite this page get shortened url switch to legacy parser print export download as pdf printable version in other projects wikidata item appearance move to sidebar hide from wikipedia the free encyclopedia norwegian research foundation norsar logo norsar in kjeller norway norsar is a foundation established in 1968 as part of the norwegian us agreement for the detection of earthquakes and nuclear explosions 1 2 3 the name derives from the foundation s original project the norwegian seismic array description edit located at kjeller north of oslo norsar runs and maintains seismic arrays in norway and it is the designated norwegian national data centre for the comprehensive nuclear test ban treaty 4 norsar conducts basic seismological research develops software and provides consultancy for the petroleum industry 5 arpanet logical map 1977 norsar is located at lower right norsar was the first non us site included in arpanet in june 1973 its connection went via the tanum earth station in sweden to the seismic data analysis center sdac in virginia united states 6 7 in turn norsar provided the connection point for arpanet to spread to peter kirstein s research group at university college london ucl the following month in july 1973 connecting through norsar the norwegian defence research establishment ndre along with ucl and rsre in britain were involved in testing tcp ip ucl provided a gateway between the arpanet and uk academic computer networks the first heterogenous international computer network 8 in early 1982 norsar and ucl left the arpanet and began to use tcp ip over satnet becoming two of the first nodes on the internet 9 since 1999 norsar has been an independent research foundation 10 see also edit nordunet references edit about us www norsar no norsar history novak matt 1 february 2016 the secret project to turn the internet into an anti soviet spy network gizmodo com au retrieved 21 july 2017 marks paul 9 september 2014 spidery forest gadgets catch secret nuclear blasts new scientist r d retrieved 21 july 2017 norsar becomes the first non us node on arpanet the predecessor to today s internet norsar norway seismic array research archived from the original on 11 september 2017 retrieved 14 november 2017 arpanet maps 1969 to 1977 archived from the original on 19 april 2012 retrieved 17 may 2012 kirstein p t 1999 early experiences with the arpanet and internet in the united kingdom pdf ieee annals of the history of computing 21 1 38 44 doi 10 1109 85 759368 issn 1934 1547 s2cid 1558618 archived from the original pdf on 2020 02 07 hauben ronda 2004 the internet on its international origins and collaborative vision amateur computerist 12 2 retrieved may 29 2009 about us retrieved 21 july 2017 external links edit official website authority control databases isni retrieved from https en wikipedia org w index php title norsar oldid 1336958011 categories government agencies of norway research institutes in norway foundations based in norway organisations based in lillestrøm organizations established in 1968 earth science research institutes seismological observatories organisations and projects hidden categories articles with short description short description is different from wikidata official website different in wikidata and wikipedia this page was last edited on 6 february 2026 at 17 42 utc page was rendered with parsoid text is available under the creative commons attribution sharealike 4 0 license additional terms may apply by using this site you agree to the terms of use and privacy policy wikipedia is a registered trademark of the wikimedia foundation inc a non profit organization privacy policy about wikipedia disclaimers contact wikipedia legal safety contacts code of conduct developers statistics cookie statement mobile view search search toggle the table of contents norsar 9 languages add topic