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New GPS

Posted by Boomslang on March 20, 2009 at 12:52am

GPS RecieverThe main features of this GPS is that it constantly tracks position, so there is no startup wait. Only 1ma power consumption! Hope that sparkfun will get some of these on breakout boards when they arrive.I wonder what the update rate on these will be?
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  • paul hubner March 20, 2009 at 11:01am
    I read their product sheets and while I am indeed impressed overall, there is a concern about their "dynamic focus" feature. In brief, this means the GPS does not track to high precision unless it is asked to, ie when a user presses the power button on their camera. Other wise, I think it just listens periodically and calculates less accurately and less often. This is where the power savings comes from. This is fine for a camera or geotag operation, but not a C&C.

    I was looking for a chip description and I'd love to make up a board for Sparkfun, maybe on that direct connected to the Ardupilot's GPS connection??

    ;-)
    Paul
  • Noth666 March 20, 2009 at 5:09am
    Production volume of Airwave-1 will begin in the second half of 2009. Hmm.. Will have to get some samples when they r out
  • Jack Crossfire March 20, 2009 at 1:38am
    Hot start modes suck. Fulltime tracking using standby power is the way to do it. It requires juggling 2 batteries, but it gets 14 satellites & stable altitude instantly. The idea obviously caught on in UK but we're not sure Americans R going to bother with the hassle.
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