Peter P. yahoo.com> writes: > To check for attenuation use a sturdy garbage can or plastic drum filled with > water. Body attenuation is nearly the same as saline solution (~= ocean sea > water) for low frequency RF. While the attenuation is about the same the composition of saline and ocean water is not the same at all. I omitted this. Ocean ~= 35g/l salt and saline ~= 9g/l salt. Peter -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist