GPS Data aquisition on the cheap
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GPS Data aquisition on the cheap
Alot of you guys use data aquisition systems to improve your track performance
and some of you have himmed and hawed about getting a data aquisition system.
It seems to me you should be able to use GPS for everything. Accelleration and braking should be decoded from info on you GPS and of course your track data is easy to get from a GPS for entry and exit points on corners and such.
Well Last week I bought a blue tooth GPS receiver for my cell phone a Samsung SCH-i760 smart phone from verizon (I got it for $100 after twisting their arms.)
the GPS was like $90 from Singular its a usglobalsat.com bt 359. I am a GPS systems guy for the Navy and the integration for even me was tricky. But I found a BUNCH of navigation freeware that show maps and downloads tracks to files. You SHOULD (I havent done it yet) be able to download the tracks to Excel and plot it out to see your track tracs as it were. You should then be able to put those on google earth maps to see your corner entry and exit points on the map pretty close to truth(truth being 0 feet location error) I havent done all this yet because it took me awhile to figure out how to integrate the Blue tooth GPS receiver to my phone. So if you have a smart phone that doesnt have GPS built in you can buy a blue tooth model (plenty on the web) integrate it with your phone and get all your track data for next to nuthin.
The model I have uses the Sirf III GPS chipset which is a 20 channel GPS reciever with WAAS enabled (higher accuracy in North America close to 1-5 Meter error in position and .1M/S in velocity) I dont know what the data download rate is yet but even at 1 point a second should still be good enough for most of us. I will keep working on this till I figure out how good this will work.
I need to get some data and plot it out in excel or Kalidegraph and see what it looks like.
BUT for less than a $100 bucks (if you have a smartphone running windows mobile 5 or higher (I have windows mobile 6) you can have a data aquitision system to play with. The braking and acceleration data will be alittle more tricky but I will work on that. Velocity is the most accurate of all GPS data so that SHOULD work well.
If you have any really URGENT questions on this email or PM me.
More data to come.
Your Porsche GPS systems engineer
Paul G.
and some of you have himmed and hawed about getting a data aquisition system.
It seems to me you should be able to use GPS for everything. Accelleration and braking should be decoded from info on you GPS and of course your track data is easy to get from a GPS for entry and exit points on corners and such.
Well Last week I bought a blue tooth GPS receiver for my cell phone a Samsung SCH-i760 smart phone from verizon (I got it for $100 after twisting their arms.)
the GPS was like $90 from Singular its a usglobalsat.com bt 359. I am a GPS systems guy for the Navy and the integration for even me was tricky. But I found a BUNCH of navigation freeware that show maps and downloads tracks to files. You SHOULD (I havent done it yet) be able to download the tracks to Excel and plot it out to see your track tracs as it were. You should then be able to put those on google earth maps to see your corner entry and exit points on the map pretty close to truth(truth being 0 feet location error) I havent done all this yet because it took me awhile to figure out how to integrate the Blue tooth GPS receiver to my phone. So if you have a smart phone that doesnt have GPS built in you can buy a blue tooth model (plenty on the web) integrate it with your phone and get all your track data for next to nuthin.
The model I have uses the Sirf III GPS chipset which is a 20 channel GPS reciever with WAAS enabled (higher accuracy in North America close to 1-5 Meter error in position and .1M/S in velocity) I dont know what the data download rate is yet but even at 1 point a second should still be good enough for most of us. I will keep working on this till I figure out how good this will work.
I need to get some data and plot it out in excel or Kalidegraph and see what it looks like.
BUT for less than a $100 bucks (if you have a smartphone running windows mobile 5 or higher (I have windows mobile 6) you can have a data aquitision system to play with. The braking and acceleration data will be alittle more tricky but I will work on that. Velocity is the most accurate of all GPS data so that SHOULD work well.
If you have any really URGENT questions on this email or PM me.
More data to come.
Your Porsche GPS systems engineer
Paul G.
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