I've always said "The best advertisement for Garmin was RayMarine." I find the RayMarine product line tedious to use, they aren't conversational and or intuitive. What I have found with TacK Tick is they do drop off the signal occasionally. There may be a mast height that is better suited to the unit than others that may be taller. The other issue is the location of the receiving unit and interference from bulkhead or dodger or sail on a particular point of sail that may block the signal. This was on a friends Beneteau 38s5. As convenient as this system is to have installed I would still for the effort put a hard wired unit in.