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Information about GPS formatting?

Posted by Strix Consili on June 25, 2010 at 7:38am

Hey everyone,

So heres whats going on, currently I'm building an autopilot system from scratch using an AVR MCU literally for the sole reason of two way telemetry. I have an em406 GPS receiver that I plan to use for waypoint nav. My original intent was to just use the standard NMEA messages it outputs, but I've ran into a few posts that discuss putting it into binary mode, saying that NMEA isn't really very good for an autopilot. I assume binary mode means to change the output format, but how would I go about this?

I've been looking over the datasheets, but I'm still not entirely sure. A little guidance would be lovely.

Thanks,

Strix

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binary, gps, nmea, em406

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Lew Payne June 25, 2010 at 10:14am

You might want to start here. There's even a program you can use to put it in binary mode. Let me know if you need anything else googled for you.