Listen man, I don't know why you want to act like a jerk, but if all you want to do is act like this, I just prefer you keep you comments to yourself.
I know a yagi has a higher gain factor. I had a Quick track telemetry system with a yagi. What the Garmin system lacks in range, it more than makes up for in being able to see what the dog is doing and where he is at in real time.
Then you'll never have that capability while working in the forest with any gps system due to the line of site limitations in the vertical orientation.