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

[Mike]

Gee its small, amazing what can be done with fractal antennas,
I'm tempted to hang one off a cheapie netbook when I next go country
as the gps in my son's HTC is a bit flakey and geotagging doesnt work that well,
also give him a chance to maybe read from it in C++

If you get one, let us know the overall price and how well it works,

Thanks


At 10:26 PM 7/25/2011, you wrote:
>I found this: http://www.gtop-tech.com/jsf/moduleproduct.jsf?muid=5a50acc3cd4f20749b345fe86e442ed78a6d204d&suid=d2aafd64c93952bb33c7ee066e322e597947063d&puid=881a56b7500af0dc8b4fe87bba293ff898b039d6
>
>It's a 10 Hz, non-interpolation, USB module. Seems perfect for the original gentleman's uses although the only place I find it available at present is a EU electronics outfit.
>____________
>Steven Donegan
>SSCC/NORC Car #86
>www.sscc.us
>
>
>
>--- On Mon, 7/18/11, Avery Nisbet <anisbet at gmail.com> wrote:
>
>> From: Avery Nisbet <anisbet at gmail.com>
>> Subject: Re: [Diy_efi] Fast updating (20Hz) GPS receivers for track
>> To: steve at donegan.org
>> Cc: "Jay Rabe" <jayrabe at gmail.com>, diy_efi at diy-efi.org
>> Date: Monday, July 18, 2011, 6:24 PM
>> Yup a max232 chip and antenna with an
>> SMA connector and it should be
>> good to go.   LM7805 like 3.3v regulator
>> would be needed too but those
>> are cheap.
>> 
>> 
>> It has configurable baud and sample speed so it should hook
>> right up
>> to the motec after using a Max232 chip. It also has two
>> serial ports I
>> assume they can both be configured as outputs so you could
>> hook it up
>> to to DAQ's if you wanted to.
>> 
>> 
>> -Avery
>> 
>> On Mon, Jul 18, 2011 at 11:17 AM,  <steve at donegan.org>
>> wrote:
>> > That item looks good - mate it with a USB/Serial
>> interface and it makes the acquisition side of a system. Or
>> simply a level shifter serial interface as it appears a 3.3V
>> interface is on that module.
>> > ____________
>> > Steven Donegan
>> > SSCC/NORC Car #86
>> > www.sscc.us
>> >
>> >
>> >
>> > --- On Mon, 7/18/11, Avery Nisbet <anisbet at gmail.com>
>> wrote:
>> >
>> >> From: Avery Nisbet <anisbet at gmail.com>
>> >> Subject: Re: [Diy_efi] Fast updating (20Hz) GPS
>> receivers for track
>> >> To: "Jay Rabe" <jayrabe at gmail.com>
>> >> Cc: diy_efi at diy-efi.org
>> >> Date: Monday, July 18, 2011, 6:07 PM
>> >> I highly doubt its doing any
>> >> interpolation.  It would be more work
>> >> than actually doing the real thing.
>> >> If anything they may not truly giving 10 NMEA
>> sentences a
>> >> second.
>> >> Maybe 9.3 or 9.75 a second.
>> >>
>> >>
>> >> http://www.sparkfun.com/products/9133
>> >>
>> >> Sparkfun also did a good right up on what to look
>> for and
>> >> what chips
>> >> they carry and how it all works.
>> >>
>> >> Look into what the chip in the module can do. 
>> Find
>> >> the data sheet
>> >> most are reconfigureable with some resistors or by
>> sending
>> >> them some
>> >> commands.
>> >>
>> >>
>> >> -Avery
>> >>
>> >> 2011/7/16 Jay Rabe <jayrabe at gmail.com>:
>> >> > Im not sure if this is exactly what you are
>> looking
>> >> for but it has some info
>> >> > on 5hz vs 10hz gps receivers.
>> >> > http://trackmaster.trackaroo.com/forums/-/message_boards/message/43468
>> >> > theres one post that says a bunch of the
>> 10hz
>> >> receivers are really 5hz and
>> >> > interpolate to make them 10hz, no idea the
>> validity of
>> >> that claim but might
>> >> > want to check it out quick before you go nuts
>> hunting
>> >> a 20hz down. (maybe
>> >> > more interpolation bs or something to look
>> out for.)
>> >> >   The GPS receiver is bluetooth that they're
>> talking
>> >> about,
>> >> > http://www.qstarz.com/GPS_products.htm
>> >> you might find some more info there.
>> >> >
>> >> > On Sat, Jul 16, 2011 at 1:20 PM, Brian Koontz
>> <brian at pongonova.net>
>> >> wrote:
>> >> >>
>> >> >> On Sat, Jul 16, 2011 at 11:08:03AM -0700,
>> steve at donegan.org
>> >> wrote:
>> >> >> > 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.
>> >> >>
>> >> >> 10Hz, $40:
>> >> >>
>> >> >>
>> >> >> http://www.thaieasyelec.net/index.php/GPS/65-Channel-SUP500F-10Hz-GPS-Receiver-with-Smart-Antenna/p_145.html
>> >> >>
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>> >> >
>> >> >
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