On 12/2/2011 11:09 AM, Steve Hunt wrote:
> Plus - the second antenna might not need to cover all the bands if he
> chooses the heights carefully.
Regardless of the antenna height the nulls and nodes in the pattern will
be in a constant state of change as far as being optimum or degrading.
73
Roger (K8RI)
> Steve G3TXQ
>
> On 02/12/2011 15:56, K1TTT wrote:
>> Of course he did, but there is no way to fill the nulls with a single beam.
>> You can mount it on a crankup and search vertically for the best signal, but
>> that seems to be more expensive to me and not as flexible. You can cover
>> lots more elevation angles with a second antenna at about half the height of
>> the top one... so my recommendation is to keep that in mind because its much
>> easier to design that in from the start than find out later when you have
>> more money that the tower you got can't handle it.
>>
>>
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