Take a look on the device manager, should be shown on the ports tab.
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Can you try to plug the RVGS on a different computer and check if it appears on the device manager?
Then it hasn't been installed yet. Power up the GS and plug in the usb. You may have to do a search for new installed devices.
done that as well. XP,Vista and 2x 7
Actually you don't even have to power the ground station. The internal USB to serial converter chip is powered from the USB.
Try installing the drivers manually. Use VCP drivers from here: http://www.ftdichip.com/FTDrivers.htm
If this does not work you can try contacting Rangevideo at firstname.lastname@example.org
However all RVGS are tested for USB port communications before being shipped, so it is very unlikely to have a GS with non-working USB port.
I thought I saw a red light from inside the GS when I connected the usb.
Still no joy here Alex
You should be able to use something like hyper terminal or termite to capture the data. It's human readable. If you can't see the data through a terminal program, then you might have a bad cable, a wiring problem or the wrong baud rate.