I'm sure a similar situation has happened to you - you might be interested in taking the boat between those two small islands as a short cut, but the chart detail in the passage was totally inadequate to take the risk. Those of you with $15,000 RIBs as tenders probably already have a depth sounder installed and can then use the dinghy to do a quick bathymetry survey.
But we don't have that kind of dinghy. So what to do? Not wanting to do a permanent installation on our dinghy, I considered hand-held depth sounders.
There is one that is shaped like a flashlight - to use it, you dip the big end in the water and press the button for a reading. Great for spot soundings, but awkward for taking more or less continuous readings.
And then I found the answer: A wireless depth sounder. There are several varieties - being a
It's a cute little hand-held unit - not waterproof, so don't drop it in the drink. It communicates with the completely separate transducer via radio. And the transducer is a tiny little thing:
|A friend suggested that it should have been molded with a duck's head on the post|
I am very much looking forward to using it to survey our favorite anchorages to maybe expand the territory available to us!