Letter Re: Parabolic Dish Shoutcasting
Mr. Rawles: I had thought I had seen mention of it on Survivalblog, but have been unable to find it. “It” is a commo system for line of sight communications, which could be employed between adjacent homesteads. The technique is to situate two dish type antennae, as in the “C” or “Ku” band (roughly 1.5-2 meter) earth station antennae used for rural satellite television reception, pointing at each other. With gain on the order of 30-35 dbi, they provide roughly 8 to 10 fold amplification of the signal inputted into it. Now, if I were to face the dish, pointing …