On Mon, 18 Aug 2008 18:15:42 -0700, "Calif Bill"
wrote:

For shallow water I would look at the cheap Eagles, Humminbirds, etc. Lot
less power. My old, really old, Humminbird did a lot better in shallow
water than my Furuno I now have.

Yes, I've had a couple of inexpensive Hummingbirds and they've been
accurate down to 2 or 3 feet when they're working at all, not very
reliable but cheap to replace. I'm now using one on my RIB dinghy.