

Another thread that sheds quite a bit of light on this subject can be found here: Since the serial emulator won't work on 64 bit systems you are SOL as far as I know with your current configuration. The USB version (LT-40) has known issues with GPSGate per this post: I'm on 32 bit Vista Ultimate, but I think with the driver link above it just might solve your issue.

I've been using my BT-20 for three years and it works beautifully together with Street Atlas and GPSGate.

I also have a priority code I could send you through a PM if you are interested that I received from Delorme a couple of days ago via e-mail, so you can get a discount on the BT-20 puck (let me know). This post on the Franson support forum provides details on what you need to do if you have a 64 bit system:
