Another comment: Below I mean NEC 2, or 3 or 4 calc
engine.
And even NEC2 has a problem with close spaced wires
so for designs like that I never ever would use anything
else but NEC2-4 stuff.
73 Jim SM2EKM
---------------------------------------------------------
Jan Erik Holm wrote:
> 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
>
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