I have done fair amount of research and I do believe that the cv isn't as clear a pic as the gt, and it is app to miss some things. I have the chirp 93sv at console and have just ordered another bail mount, powercord, and the gt52 to put up front and will move the head unit back and forth for now till I can afford another head unit. Garmin says it is compatible with my unit but I worry if the software of firmware will actually use the down element in the gt or just use it the same as the cv. When I get everything hooked up I will let you know