Hi Harry, The BT GPS i am using is the QStarz BT-Q1000eX (http://www.qstarz.com/Products/GPS%20Products/BT-Q1000EXQR-F.htm). I have a fellow racer using a Wintec G-Rays (http://www.semsons.com/wigiwblgpsre.html) that also measures G-forces, unless in both cases we are being fooled and they are calcu...

my apologies, i wasn't clear. my gps device actually can measure GPS and g-forces so was hoping i wouldn't have to mount my iphone and store it somewhere else in the car (securely of course) rather than window mounting it. it's not a deal killer at all, just thought there might be a setting i was mi...

Hi,

I was wondering if there is a setting to read G-force measurements from the bluetooth GPS device vs the iPhone itself?

Thank you!
Zachary Wong

Hello, I am very interested in this product for autocross as well and have a few questions. - must a course be set up in order to record? - can two 'laps' be loaded at overlaid on top of each other and then 'run' to see comparative driver positions at any given time? - related to overlaid 'runs', if...