On Fri, 13 Oct 2017, tony.podrasky wrote: > 2nd idea: > > What if I buy an aluminum one, isolate it from the balcony, and load-up > into that? Shouldn't make much of a difference, except perhaps for efficiency; a quarter-wave is a quarter-wave. -- Dave Horsfall DTM (VK2KFU) "Those who don't understand security will suffer."