Problem with YO is that the calculating engine is far too simple,
you really have to be carefull with what you are doing.
In any case, I would not trust YO alone, I would confirm
my design on a program using the NEC calculating engine.
73 Jim SM2EKM
--------------------------------------------------------------------
Jiri Sanda wrote:
> Can someone tell me what is the improvement from YO 6.55 to YO 7.0.
>
> Is it already able to model OWA type Yagis - i.e. would it model
> correctly the close elements ? What impedance you get if you model
> NW3Z design. 6.55 gives you something like 35 Ohms while
> mathematically excellent but user unfriendly EM-broadcast professional
> gives you 48 Ohms which is the reality.
>
> 73 !
>
> Jiri
> OK1RI
>
> Bill Tippett wrote:
>
>> VE6WZ wrote:
>>
>>> I want to plot preformance curves on one plot vs frequency: eg:
>>> SWR, F/B and forward gain.
>>>
>>
>> Steve, if you plan on doing anything with Yagi's, I would
>> highly recommend K6STI's Yagi Optimizer (YO7) over EZNEC 3.0. I have
>> both and YO7 is light-years ahead of EZNEC for modeling Yagi's.
>> EZNEC is more versatile for wire antennnas, etc. but don't even think
>> twice about it if you are mainly interested in Yagi's! K6STI can be
>> contacted at k6sti@n2.net and I believe YO7 is now around $100. It
>> will do exactly
>> what you described above! Here are a couple of screens which gives
>> you an idea what it will do:
>>
>> http://users.vnet.net/btippett/yagi_optimizer_7_0.htm
>>
>> 73, Bill W4ZV
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>>
>>
>
>
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