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

[steve at donegan.org]

Been googling for GPS modules this morning and the fastest I've found so far is a 5Hz refresh. If anyone else finds something better (module, not system) let me know.
____________
Steven Donegan
SSCC/NORC Car #86
www.sscc.us



--- On Sat, 7/16/11, Bob Hughes <rwhughe at oplink.net> wrote:

> From: Bob Hughes <rwhughe at oplink.net>
> Subject: Re: [Diy_efi] Fast updating (20Hz) GPS receivers for track
> To: diy_efi at diy-efi.org
> Date: Saturday, July 16, 2011, 6:02 PM
> diy_efi-request at diy-efi.org
> wrote:
> > 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.
> 
> If you are using RS232, you are probably transferring NMEA
> data which is 
> a well documented format. There are multiple "sentences"
> which contain 
> various data sets, you just need to know which one, $GPGSA,
> $GPRMC, 
> $GPGGA, $GPGSV. etc, the ecu is using. Garmin does also use
> a 
> proprietary format which they have documented.
> 
> -- 
> Robert W. Hughes (Bob)
> BackYard Engineering
> 29:40.237N, 95:28.726W or perhaps 30:55.265N, 95:20.590W
> Houston, Texas "The city with too much Oxygen"
> rwhughe at oplink.net
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