[600MRG] Rudy's book...and other info.

[Kenneth G. Gordon]

On 25 Jan 2018 at 23:55, lstoskopf at cox.net lstoskopf at cox.net wrote:

>  I'm going to show ignorance here.

Ha ha! Join the club! This is why we have such forums. :-)

>  I would think that a capacity hat would be something like a 
> disc or a Yagi at the top of a vertical pole.

Not always. Many here are using "capacity hats" which are simply wires, even one wire in 
some cases, running horizontally from the top of their verticals.

Rudy has an entire chapter which explains the WHY and the HOW of capacity hats and why 
they are extremely useful at MF.

>  A 132 ft sloper would be an antenna with some 
> impedance at the loaded end resulting from the geometry of the antenna.

Well, that is what I thought too, but it doesn't show up that way in the model.

>   I would think that 
> EZNEC should give you some idea of that impedance.  How were the results weird?  Thanks,  
> N0UU

Well, for one thing, I am not using EZNec: I'm using MMANA-GAL, so the results may be 
different, although up to now, they have been pretty much identical.

I suspect that my model is not correct.

As I have time, I'll redo it.

Ken W7EKB

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