Here is what I use, but then again I usually fish in 4,800' of water too: laugh
http://www.raymarine.com/ProductDetail.aspx?SITE=1&SECTION=2&PAGE=1007&PRODUCT=2982


You all ain't nothing but a bunch of softies. I have to wait until my flomax kicks in or I will wet the bed. Yum u no wat i sy hu---- The Geezer