Lowrance 520c or 522c

[Backwater Eddy]

At present I do not advise internal antenna systems to anyone with a walk through windshield. Open floor tillers have better success with the 522 GPS reliability.

In the case of the 522 and the 520, if you have a windshield dash mount install in mind, do the 520 and install the puck on the bow for best GPS performance.

I have seen so many returns on this issue that I always ask up front what the customers installation will be, and advise them accordingly to what the realistic expectations on performance may be.