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Old August 15th 11, 03:29 AM posted to rec.radio.amateur.antenna
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Posts: 1,336
Default 4nec2 hidden variables.

On Sun, 14 Aug 2011 22:02:32 +0200, Helmut Wabnig [email protected] ---
-.dotat wrote:

On Sat, 13 Aug 2011 14:15:22 -0700, Jeff Liebermann
wrote:
Sorry, bad mood again.


Like I said. One must suffer before enlightenment.

Watched the tutorials on Youtube.
Remarkably he starts loading an antenna and then deleting the elements
to get a blank builder screen.
The 4nec2 cannot start with a "new" file, it must load something from
before. Only then I may select NEW. This is a bug.


Well, there is no "new" button or choice under "File". Ask Arie Voors
for the feature. It seems easy enough to add to the program.

I copied the moves from the tutorial on my NEW antenna,
and I cannot place a source on the dipole. Does not work.
No error message, nothing.
So I will load some old antenna, delete everything and try again
as shown in the tutorial.


Well, I've never had that problem because I don't try to "paint" the
antenna using the isometric or 3D views. It's not accurate enough
unless you snap to a grid. I create the antenna either externally,
with a text editor, or using the spreadsheet style editor. I import
that into 4NEC2 and make any necessary changes (and fix any screwups).
For geometric shapes, I use the external shape generator, which will
do surfaces, parabolic dishes, etc. 4NEC2 is not a drawing program.

Within 5 minutes of work I have a list of 5 errors,
program errors, repectively bugs, mis-leading the user.


Impressive. You might want to search the 4NEC2 forums to see if any
of them have been previously reported.
http://fornectoo.freeforums.org
Note that there is a section specifically for requesting new features.

Can't type as fast as the bugs occur, I just described only one.
Of course I have no right to complain because it's free.


In my limited experience, people complain more about free software
than paid software. That's usually because the author(s) encourage
feedback in order to improve their product.

Yeah.


Thanks for ignoring my questions.


--
Jeff Liebermann
150 Felker St #D
http://www.LearnByDestroying.com
Santa Cruz CA 95060 http://802.11junk.com
Skype: JeffLiebermann AE6KS 831-336-2558
 
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