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forgot to add..... if thast a lowrance, and it looks like it is.. have a look in the Sounder Reading thread in this sub forum, i have my pics in there... similar/same hull shape as yours
are you asking because you are having problems with the sounder ? if so what problems are you having? i run a lowrance also and looking at your pick i agree it needs to be angled down a little,,,
it looks a smidge high and also maybe needs angling forwards a smidgin. but like has been said, what's the problem? does it work at speed or not? i'm guessing the reason for the post is that it doesn't work at speed.
I agree with other comments - it looks way too high.
A suggestion on how to get the right height: run a straight edge (ruler or something similar) against the underneath of the hull in line with the transducer so you can see how the water will flow from the hull past the transducer (hope you follow what I'm trying to say there!!)
In my experience on alloy hulls like yours you will need the mid-line of the transducer to be 5mm or so below this "water line" to get a good signal at speed. It might throw a bit of spray around, but give it a go. Also, as others have suggested, the trailing edge of the trasducer could probably be one "click" lower.
One way to potentially check whether it is the Transducer position that is the main problem is to do a long turn at reasonable pace steering towards the side that your Transducer is mounted on i.e. if your Transducer is mounted on your port side then do a long turn to port.
This will "bury" your Transducer much deeper than in normal running and it should start to read the bottom if the problem is simply that it is not mounted deep enough.
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