Andy,

You might consider using a fiber-optic cable (the cheaper grade should work
o.k.). Off the shelf video transmitters/receivers (over fiber) can be purchased
for $200.00 to $300.00 ea.  Hey... Maybe you could put a bobber and a hook on
the line and reel in the big ones - a remote control fishing pole!

Bill Rhoads

wrhoads@earthlink.net


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Andy Shaw wrote:

> Hi Folks,
> I'm sure one of you out there will know the answer to this one.
>
> Anyone any idea how well a 1.3GHz radio transmission will penetrate fresh
> water. I build model subs and I know that standard 40MHz Radio control gear
> works well down to ten feet or so. I'm thinking of mounting a black and
> white TV camera on a sub. I've seen a transmission system that uses the
> 1.3GHz telemetry bands to carry a video feed, but I'm not sure how well it
> will work.
>
> So any help would be much appreciated - Oh and it is not that off topic the
> Sub has two PICs in it, one for depth/attitude control the other for speed
> control!
>
> Andy