NEC-LIST: 4NEC2 for larger segments

I had a project I needed near field for a frequency range. I did it as
follows:

          Wiring omitted

FR 0 1 0 0 5000 1000
XQ 0
NE 0 15 1 1 0 0 .03 .01 0 0
FR 0 1 0 0 5500 1000
XQ 0
NE 0 15 1 1 0 0 .03 .01 0 0
FR 0 1 0 0 6000 1000
XQ 0
NE 0 15 1 1 0 0 .03 .01 0 0
FR 0 1 0 0 6500 1000
XQ 0
NE 0 15 1 1 0 0 .03 .01 0 0
FR 0 1 0 0 7000 1000
XQ 0
NE 0 15 1 1 0 0 .03 .01 0 0
FR 0 1 0 0 7500 1000
XQ 0
NE 0 15 1 1 0 0 .03 .01 0 0
FR 0 1 0 0 8000 1000
XQ 0
         Etc.

The output must be handled manually, but I needed to do that anyway. I was
comparing several what if runs. I used Excel to create graphs and tables.

Hope this is some help.

73
Bill Elliott

-----Original Message-----
From: nec-list-bounces+bill.elliott1=robins.af.mil_at_robomod.net
[mailto:nec-list-bounces+bill.elliott1=robins.af.mil_at_robomod.net] On Behalf
Of 4nec2_at_gmx.net
Sent: Tuesday, April 26, 2005 07:52
To: nec-list_at_robomod.net
Subject: Re: NEC-LIST: 4NEC2 for larger segments

> When generating Nec output data, there is a user interface screen that
> pops up. Selection are: use original; Far Field pattern, use frequency
> loop, Near Field pattern.
>
> If I wanted to do a near field scan for a set of frequencies, how do I
> set this up? Can I place an NE cards in the .nec file, then select 'use
> frequency loop? Would I then get Near Field data for each frequency in
> the output?

I am afraid this is not (yet) possible. You can only request a near-field E
or H display for a single frequency.

When running a frequency sweep you can only request a far-field pattern with
of without surface wave component.

Arie.

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