Engineering:Networked Transport of RTCM via Internet Protocol
The Networked Transport of RTCM via Internet Protocol (NTRIP) is a protocol for streaming differential GPS (DGPS) corrections over the Internet for real-time kinematic positioning. NTRIP is a generic, stateless protocol based on the Hypertext Transfer Protocol HTTP/1.1 and is enhanced for GNSS data streams.[1]
The specification is standardized by the Radio Technical Commission for Maritime Services (RTCM).[2] NTRIP was developed by the German Federal Agency for Cartography and Geodesy (BKG)[3] and the Dortmund University Department of Computer Science.[4] Ntrip was released in September 2004.[5] The 2011 version of the protocol is version 2.0.[6]
NTRIP used to be[7] an open standard protocol but it is not available freely (as of 2020). There is an open source implementation available from software.rtcm-ntrip.org from where the protocol can be reverse-engineered.
References
- ↑ Lenz, Elmar (2004). "Networked Transport of RTCM via Internet Protocol (NTRIP) – Application and Benefit in Modern Surveying Systems". FIG Working Week 2004. https://www.fig.net/resources/proceedings/fig_proceedings/athens/papers/ts03/ts03_2_lenz.pdf.
- ↑ "about NTRIP". http://igs.bkg.bund.de/ntrip/about. Retrieved 17 January 2012.
- ↑ BKG
- ↑ Uni Dortmund
- ↑ "RTCM Recommended Standards for Networked Transport of RTCM via Internet Protocol (Ntrip), Version 1.0"
- ↑ Version 2.0 with Amendment 1, June 28, 2011
- ↑ 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 BKG.
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