track car suggestions / discussion
It should be. I used the free version with a transponder at Buttonwillow Raceway. It was closer than .2, if I remember right.
I think I'll be buying a dongle for next year because I get glitches with it fairly often. sometimes it'll just freeze my location on track, other times it'll pause and then catch up...
look at my position on track at 2:12
I load my gps data into race logic's free analsys software, so its nice to actually have the data
I have used Harrys with and without external GPS and the sample rate is night and day difference. The MPH differences once you get to triple digits go way off with the internal GPS.
Internal iPhone 5 GPS on left, External 10Hz GPS on right:

I use a SkyPro XGPS160. It's nice and tiny and able to be placed pretty much anywhere.
Internal iPhone 5 GPS on left, External 10Hz GPS on right:

I use a SkyPro XGPS160. It's nice and tiny and able to be placed pretty much anywhere.













