> 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
>
hmmm, my guess is you'll be lucky to get 1 inch!  Probably have to
use something really powerful anyway...  Are you sure you can't have a wire?