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To: GOPbabe who wrote (6657)	3/14/2000 10:07:00 AM
From: Frank A. Coluccio	Respond to of 12823

Hello GOPbab, yes.. effectively you've got it, except that physical obstructions don't simply impair the signal, they totally block them out. >the further away data is transmitted, less and less data will be received due to the fact that you lose signal strength over distance. Distance, as will inclement weather (actually the cumulative effect of all parameters as they get more severe), will first begin to manifest as increasing error rates. The farther the end points apart, and the worse the precipitation or fog, the higher the error rates become. In order to bring error rates down to manageable levels, without changing any of the other variables, you can reduce the modulation/bit rate as I discussed earlier until you've reached the desire effect. These tactics will only work within a certain range of distances as defined by the manufacturer, and weather influences as defined by God, which is the salient point here, perhaps akin to a form of force majeure in other situations, but normal expectations here, if you think about it. When they become severe enough, you reach the point where nothing you do can help short of increasing the transceiver's transmit power, and even that has its limitations within the range of paramaters which affect throughput. No, I wasn't aware of the holographic lens... please point to the url if you have one. FAC