Originally Posted by boopidoo
I think that is an ground based OSD, overlaying the information using a computer, ie not sent using video link.
Without knowing this guy's setup, I would tend to agree with you. I've Been doing some research on the 433mhz transmitters and sending the telemetry data to the ground, then doing the video overlay there seems to be the wave of the future.
P.S. Add to that developments with the Raspberry PI and the skies are the only limits.