On Sun, 19 Oct 2008 13:56:19 -0400, you wrote:

>Thanks all for the advice. Yes, the intent wasn't to have it directly into the 
>sun, but to have a short shade/tube on it to prevent such. With that taken care 
>of, my concern would be for ambient sunlight, reflection, or even modulation of 
>a reflection from leaves or passing vehicles. Is that something to worry about, 
>or can it be tackled with something like a preset 'header' pattern in the 
>transmission or a check bit or two?

When you are decoding, you need to measure the pulse & gap lengths to decode the data -  simply
having a minimum & maximum limit on these times & resetting your receive process when they are
violated will filter out the vast majority of the noise 


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