[Diy_efi] Fast updating (20Hz) GPS receivers for track mapping?

[Brian Koontz]

On Sat, Jul 16, 2011 at 03:51:22PM +0100, Chris Wilson wrote:
> These are extraordinarily expensive, being ?1200 UK pounds, about
> $1940 US Dollars. Given I am doing this as an amateur, on a tight
> budget, could I purchase something that will work the same, maybe
> not in a nice die cast box, and save myself a lot of money? Can
> anyone suggest devices to investigate that will communicate by
> RS232? I doubt I can get or work out the Can Bus info to read a GPS
> Receiver by that means. I can probably get more info on the
> protocols the Motec ecu expects, they have a webinar on using GPS
> that explains this, but the little self contained Garmin GPS18x-5Hz
> worked fine "as is" by RS232.

I'm not familiar with your specific application, but perhaps something
like this might work:

http://www.byonics.com/tinytrak/gps.php

I know these are popular with off-roaders who like to track where
they've been...

  --Brian