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{{for|the school|Niagara County Community College}}
The '''Networked Transport of RTCM via Internet Protocol''' ('''NTRIP''') is a [[Communications protocol|protocol]] for streaming [[differential GPS]] (DGPS) data over the Internet in accordance with specification developed by the [[Radio Technical Commission for Maritime Services]] (RTCM).<ref>{{cite web |url=http://igs.bkg.bund.de/ntrip/about|title=about NTRIP|accessdate=17 January 2012}}</ref> NTRIP is a generic, stateless protocol based on the [[Hypertext Transfer Protocol]] HTTP/1.1 and is enhanced for [[GNSS]] data streams.<ref>{{cite journal|last=Lenz|first=Elmar|title=Networked Transport of RTCM via Internet Protocol (NTRIP) – Application and Benefit in Modern Surveying Systems|journal=FIG Working Week 2004 |year=2004 |url=https://www.fig.net/resources/proceedings/fig_proceedings/athens/papers/ts03/ts03_2_lenz.pdf}}</ref> ▼
The '''Networked Transport of [[RTCM SC-104|RTCM]] via Internet Protocol''' ('''NTRIP''') is a [[Communications protocol|protocol]] for streaming [[differential GPS]] (DGPS) corrections over the [[Internet]] for [[real-time kinematic positioning]].
NTRIP was developed by the [[German Federal Agency for Cartography and Geodesy]] (BKG<ref>[https://web.archive.org/web/20160329165844/http://www.bkg.bund.de/EN/Home/homepage__node.html__nnn=true BKG]</ref>) and the [[Technical University of Dortmund|Dortmund University Department of Computer Science]].<ref>[http://www.cs.uni-dortmund.de/nps/en/Home/index.html Uni Dortmund]</ref> Ntrip was released in September 2004.<ref>[http://igs.bkg.bund.de/root_ftp/NTRIP/documentation/NtripPressRelease.pdf "RTCM Recommended Standards for Networked Transport of RTCM via Internet Protocol (Ntrip), Version 1.0"]</ref> The 2011 version of the protocol is version 2.0.<ref>[https://web.archive.org/web/20160304071708/https://ssl29.pair.com/dmarkle/puborder.php?show=3 Version 2.0 with Amendment 1, June 28, 2011]</ref> ▼
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The specification is standardized by the [[Radio Technical Commission for Maritime Services]] (RTCM).<ref>{{cite web |url=http://igs.bkg.bund.de/ntrip/about|title=about NTRIP|accessdate=17 January 2012}}</ref>
NTRIP used to be<ref name="nonfree">The "public version" of the protocol is missing all protocol details and examples, and refers to purchase the document from RTCM; it can be downloaded from [http://igs.bkg.bund.de/root_ftp/NTRIP/documentation/NtripDocumentation.pdf BKG].</ref> an [[open standard]] protocol but it is not available freely (as of 2020). There is an [[open source]] implementation available from [http://software.rtcm-ntrip.org/ software.rtcm-ntrip.org] from where the protocol can be reverse-engineered.▼
▲NTRIP was developed by the [[German Federal Agency for Cartography and Geodesy]] (BKG)<ref>[https://web.archive.org/web/20160329165844/http://www.bkg.bund.de/EN/Home/homepage__node.html__nnn=true BKG]</ref>
▲NTRIP used to be<ref name="nonfree">The "public version" of the protocol is missing all protocol details and examples, and refers to purchase the document from RTCM; it can be downloaded from [http://igs.bkg.bund.de/root_ftp/NTRIP/documentation/NtripDocumentation.pdf BKG].</ref> an [[open standard]] protocol but it is not available freely (as of 2020). There is an [[open source]] implementation available from [http://software.rtcm-ntrip.org/ software.rtcm-ntrip.org] from where the protocol can be reverse-engineered.
==References==
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