[BC] Stealth antennas-programs?

[Brian Urban]

NEC-WIN Pro is $150.  Antennex.com has a 30 day trial download.


On 9/25/06 10:24 AM, "JYRussell at academicplanet.com"
<jyrussell at academicplanet.com> wrote:

> I wish I could run some sort of program to emulate all this stuff, and
> 'play' with the variables, so I could see 'what happens when' ... so I could
> for instance, swap out size /number of guys, or, change coax, etc... and see
> what happens to BW, pattern, and all
> (or at least I wish there was a program to do this I could AFFORD )
>   Jason
> 
> 
>> Recall that an infinitely thin quarter wave radiator above a
>> perfectly conducting ground with an infinitely thin insulator
>> has a base impedance of 36+j21 ohms. In practice, the
>> velocity of propagation, base insulator, height above
>> imperfect ground, guy wires, etc. produces an impedance
>> higher than this.
>> 
>> Tom Osenkowsky, CPBE
> 
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-- 
Brian Urban
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The University of Texas at Austin
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