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Gps corrections
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WildBuckwheat
Posted 1/24/2023 18:01 (#10057674 - in reply to #10057385)
Subject: RE: Gps corrections


Middlesex County, Ontario
NTRIP stands for Network Transmission of RTCM via Internet Protocol. You know how guys have radio links between their base station and tractor? That's the same information, but sent via radio instead of via Internet Protocol.

4G or 5G shouldn't matter. You just need an internet connection in the tractor. NTRIP uses very little data and 3G or maybe even 2G would be good enough. Cell signal 100% of the time is important.


The satellite corrections are in the language of RTCM. RTCM has many different types of messages, each message has a unique ID. You'll need to find out which specific message ID's Wheelman needs. For example; message 1006 is the antenna position with height, message 1007 is the antenna description. You can imagine how 1006 is important to know and 1007 is not important to know.

There's hundreds of these message ID's. Its not possible for a base station to publish every single message ID due to bandwidth. Wheelman will only need a handful of these message ID's. You'll have to figure out which message ID's Wheelman needs and then push those messages from a GPS receiver (like the UBLOX F9P) to an NTRIP server (like rtk2go). The UBLOX F9P will be capable of sending the right messages.
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