For those using uses short, umbrella wire loaded verticals, I've posted an article on adding 80m to a 160m array. It can be viewed or downloaded at: https://w6ayc.com/w6ayc-adding-80m-to-a-160m-receive-vertical/. There are some other mostly antenna related presentations at w6ayc.com <https://w6ayc.com/> . 73 Joe W6AYC