Help wanted! Here is the latest firmware revision that fixes the longitude issue. If you are one of those that are having problems please try this new version:
The latest ArduPilot MediaTek library now support this firmware release. Although this firmware puts your module into NMEA mode, the library will automatically switch it into more efficient binary for the session.
As always, use subversion to ensure you're using the latest libraries before compiling the code.
Comment by Steve Oliver on September 2, 2010 at 9:28pm
Is it possible to use a sketch on the APM to pass through whatever serial commands are needed to update the firmware?
Oh Yes!!! Thanks so much!
It did indeed fix it, It now puts me right where I need to be at lat:51 lon:005
One issue that i'm having is that it sometimes will keep led C blinking indicating that messages are being received, but that they are not correct. The MTK then indicates a fix (blue led), but the APM does not get any coordinates. Strange thing is that this occurs lets say 2 out of 3 times after startup. I can't figure out yet what determines success or failure. I'll keep you posted if I figure it out.
thanks again!
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