Like most sailors, I hate to throw anything away if there is the remote chance someone else can use it. I have an old Signet marine windpoint / windspeed set with masthead transducer that I am sure doesn't work, but someone might like the parts for something they are doing. I thought about putting on ebay, but even though I say "not working" is it ok to sell? I don't care what I get for it, I just hate throwing stuff away. Any advice?