W4TV:
>My modeling shows The "DO Loop" to behave essentially the
same as the classic K9AY although the VE3DO lacks the high
angle back null of the K9AY.
I agree. If this antenna was better than a 1000'
Beverage, it was most likely because propagation was at high
angles. A good Beverage has poor response above 45 degrees TOA. The
DO Loop *peaks* at 43 degrees TOA and is only down
~2 dB at 90 degrees (i.e. straight up). A low dipole should
work a little better for very high angles.
73, Bill W4ZV
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