Links to more current article content below, these pages are part of the general knowledge base on the site).

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SNIP provides an RTCM3.x message decoder function, as well as various universal decoder tools to help the SNIP operator understand the message contents found in each Base Stations data stream. The SNIP operator can use these decoders to understand precisely what message content each stream is sending.

An expandable graphical view of the decoded RTCM 3.x messages is provided in its own dialog window.  A simpler console log text view for several other message types is also provided. Multiple Base Station data streams can be captured and compared at the same time.  The display can be paused as needed.  A running count of how many messages of each type received are kept as well.

DecoderWtt_blur      RTCM3viewer2

SNIP uses this data for various quality monitoring purposes, as well as to automatically compute and/or validate the Caster Table entry used for each stream.


MSM Decoding

From Release 2.06 onward, SNIP now provides decoding of the newer MSM type messages as well, read more in the knowledge base, or here.


Curious about RTCM 3.x Messages?

The SNIP Knowledge Base has a several message cheat sheet articles to guide you in learning about RTCM 3.x  and RTCM 2.x messages.  [If your professor has told you go find the on-line cheat sheet, you probably want to click here.]


Read More About it in the Knowledge Base Pages

Further explanations and examples of message decoding in SNIP can be found here.

Message content decoding is just one way to monitor the content of a data stream supported by SNIP, a variety of other methods, including various graphical displays are described here.

The SNIP Knowledge Base has a section devoted to this topic, here.

Note:  The Message Decoding feature is limited in the free Lite model of SNIP.

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