I can't imagine doing a 160M contest WITHOUT dual receive. With 580ft
two-wire Beverages at right angles, and a foot switch to reverse both of
them, I can easily hear in a 360 degree arc: listen 1-2 sec NW and SW, step
on switch, 1-2 sec NE and SE, call CQ, repeat. When it's pre-dawn, I
generally only listen NW, SW.
580ft Beverages might give up a bit of ultimate S/N over longer Beverages
but I find them the perfect length to cover 360 degrees like this and also
hear just enough in the reverse direction for me to know there's a caller.
73,
Barry N1EU
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