Just downloaded it and purchased the Emrpum Ultmate GPS antenna (5hz location update as opposed to TomTom's 1hz) to use at my next HPDE. Seems like as long as you have an external antenna, the data is pretty accurate. My question though is don't most HPDE's prohibit the use of any kind of device that requires windshield mounting? I was planning on using the
Satechi mount. I run mostly with NASA and CCA...