aerial for car stereo on boat

My prev. boat I fitted a rubber duck job from Les Smiths ..... stuck on transom.
 
We've gone all hoity toity and had a spare aerial fitted in case we ever need it (for VHF) and I've just made an adaptor so it can also be used as an aerial for the boat's stereo syetem.

Now all I need is a stereo system to go on the end of the wire and Robert will be your Mother's brother.
 
Car radios have to be very sensitive to overcome the poor aerials fitted to vehicles. The trend for stubby things on car roofs is to blame.

BTW if you want to receive LW for the cricket keep the aerial and the receiver as far away as poss from the depth sounder and its cable.
 
I use a wheelhouse window frame.
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I bought a cheap (£1.30) car aerial, one which folds down to <1" high, and then fitted it into the far corner of the cockpit. Works well whether the aerial is up or down.... I was even listening to the French stuff whislt here in the creek on the Helford.
 
We have a metal boat so have to have an external antenna (Glomex 1.something metre long one on aft end of cockpit coaming, which works fine - have used reputable others such as Shakespeare on metal commercial boats, all ok).

For a plastic or wooden boat you just need a bit of wire hung out the back of the set inside the boat as some have said. Despite apparant belief to the contrary there is nothing magical about most car antennas - they are mostly just a length (often telescopic of course) of metal so no diff to a bit of wire. Any car antenna different to that is very unsophisticated and mainly aimed at making the antenna stubby so of little use - just use a bit of wire.

John
 
Slightly related but unrelated question, but does anyone know how much current a car stereo draws? Thinking of replacing the little 2xAA battery job (with little reception!)...
 
High Ridgy a car radio /steroe wil draw in the order of 250 ma amps 1/4 amp. However if you connect the wire used to supply power for the memory the current while relatively small can kill a battery which does not have charging simply because it is drawing current all the time.
My suggestion is try to find from a car wrecker an old radio with manual tuning (mot digital). These actually draw less current and don't require memory power. If you buy a new radio with digital memory you may have to accept having to retune the radio every time you use it and not have memory power connected to battery.
Actually on a small boat keep the electrics simple and keep your 2xAA radio. Fit some velcro to the bulkhead and stick the the radio on. ollewilll
 
I went this route (after your advice beofe I think!).

Excellent reception, discreet and easy to install etc but when the other boat electronics are powered up they do interfer with the radio - I take it it's through the power to the ariel rather than the ariel picking up interference.

No problem for me as I don't have it on when running anyhow - only at anchor or when working on the boat!
 
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