Rick,
One last thing: the BEAMWIDTH will also be broader with the driven array.
73
Don
N8DE
Quoting Rick Karlquist <richard@karlquist.com>:
> john@kk9a.com wrote:
>> It would be easier to just feed one vertical with a random length of 50
>> ohm coax and make the other vertical a parasitic reflector.
>>
>> John KK9A
>>
>
> There are 2 disadvantages to that.
>
> 1. The front to back will be 10 dB at best, whereas with a driven
> array you can easily get 20 or 30 dB. For receiving purposes, a
> driven 2 element array is as good as a parasitic 3 element array.
>
> 2. The bandwidth of a parasitic array is considerably less than
> a driven array.
>
> Rick N6RK
>
> _______________________________________________
>
>
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk@contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
>
_______________________________________________
_______________________________________________
TowerTalk mailing list
TowerTalk@contesting.com
http://lists.contesting.com/mailman/listinfo/towertalk
|