HUMMINBIRD
Sonar Add-on GPS Receiver

Comments about Humminbird Sonar Add on GPS Receiver:

Added that to my fishfinder w/o GPS, should have bought it earlier. Adds so much navigational info I did not think before I had it: where do I drift, how fast do I drift, where is my favorite buoy in the night, do I have to avoid the buoy going fast in the night, where is the drop off.

Comments about Humminbird Sonar Add on GPS Receiver:

worked for 6 months used it 2 to 3 times a month then just stopped working not to happy with the use i got out of it. thanks steve ,, shome217[@]