Comments: GPS-RTK Hookup Guide

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  • Excellent article!

    I am creating an RTK base station based on the one described in the article. I am planning on sending out the corrections via an RFD900x digital modem. The one thing that I am trying to get to the bottom of is the data rate required for RTCM. The article mentions ~500 bytes. Did you perhaps mean 500 bytes per second?

    • Thanks! Indeed, the number of RTCM bytes per second varies but it’s ~300 to 500. I’ll make that more clear in the tutorial.

  • A fully worked example of using rtklib with two of these modules for a post-processed RTK solution would be very much appreciated (preferably command line for Linux, and including the data files). I’m working with two of these Sparkfun modules right now and not quite getting a RTK fix yet. I suspect I’m not getting enough sky, or my antennas are not good enough. It would be nice to compare satellite SNRs, receiver settings etc from a known working example.


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