wonder if the antenna guru's can shed some light on this one, recently installed 1/4 wave 80 meter shunt fed vertical and need to know if when using 160m vertical do I need to short out the the tuning system on the 80m vertical(detune ) it and visa versa..the 80m tower is 50 feet away from the 160m vertical,,,tnxs for any input..John K1GUN